Howell DR, Meehan WP. Normative values for a video-force plate assessment of postural control in athletic children. J Pediatr Orthop B. 2016 Jul; 25(4):310-4.
Sugimoto D, Howell DR, Micheli LJ, Meehan WP. Single-leg postural stability deficits following anterior cruciate ligament reconstruction in pediatric and adolescent athletes. J Pediatr Orthop B. 2016 Jul; 25(4):338-42.
Myer GD, Yuan W, Barber Foss KD, Smith D, Altaye M, Reches A, Leach J, Kiefer AW, Khoury JC, Weiss M, Thomas S, Dicesare C, Adams J, Gubanich PJ, Geva A, Clark JF, Meehan WP, Mihalik JP, Krueger D. The Effects of External Jugular Compression Applied during Head Impact Exposure on Longitudinal Changes in Brain Neuroanatomical and Neurophysiological Biomarkers: A Preliminary Investigation. Front Neurol. 2016; 7:74.
Pepin MJ, Howell DR, Meehan WP. The Effect of Over-the-Counter Medication on Symptom Severity Following Sport-Related Concussion: 1906 Board #58 June 2, 2: 00 PM - 3: 30 PM. Med Sci Sports Exerc. 2016 May; 48(5 Suppl 1):525.
Howell DR, O'Brien M, Raghuram A, Meehan WP. Adolescents With Convergence Insufficiency Exhibit Gait Stability Deficits Acutely After Concussion: 2907 June 3 2: 00 PM - 2: 15 PM. Med Sci Sports Exerc. 2016 May; 48(5 Suppl 1):814-5.
Hanson E, Howell DR, Stracciolini A, Sugimoto D, Meehan WP. Female Athletes Demonstrate Better Postural Stability Than Male Athletes: 500 Board #337 June 1, 9: 30 AM - 11: 00 AM. Med Sci Sports Exerc. 2016 May; 48(5 Suppl 1):144.
Jackson SS, Sugimoto D, Howell DR, Meehan WP, Stracciolini A. Effects of Sports Specialization on the Rates of Iliotibial Band Syndrome in Pediatric Athletes: 1853 Board #5 June 2, 2: 00 PM - 3: 30 PM. Med Sci Sports Exerc. 2016 May; 48(5 Suppl 1):508.
Baugh CM, Kroshus E, Stamm JM, Daneshvar DH, Pepin MJ, Meehan WP. Clinical Practices in Collegiate Concussion Management. Am J Sports Med. 2016 Jun; 44(6):1391-9.
Meehan WP, Landry GL. Reason and Autonomy. Pediatrics. 2016 Apr; 137(4).
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Zemek R, Barrowman N, Freedman SB, Gravel J, Gagnon I, McGahern C, Aglipay M, Sangha G, Boutis K, Beer D, Craig W, Burns E, Farion KJ, Mikrogianakis A, Barlow K, Dubrovsky AS, Meeuwisse W, Gioia G, Meehan WP, Beauchamp MH, Kamil Y, Grool AM, Hoshizaki B, Anderson P, Brooks BL, Yeates KO, Vassilyadi M, Klassen T, Keightley M, Richer L, DeMatteo C, Osmond MH. Clinical Risk Score for Persistent Postconcussion Symptoms Among Children With Acute Concussion in the ED. JAMA. 2016 Mar 8; 315(10):1014-25.
Robinson S, Winer JL, Berkner J, Chan LA, Denson JL, Maxwell JR, Yang Y, Sillerud LO, Tasker RC, Meehan WP, Mannix R, Jantzie LL. Imaging and serum biomarkers reflecting the functional efficacy of extended erythropoietin treatment in rats following infantile traumatic brain injury. J Neurosurg Pediatr. 2016 Jun; 17(6):739-55.
Howell DR, Mannix RC, Quinn B, Taylor JA, Tan CO, Meehan WP. Physical Activity Level and Symptom Duration Are Not Associated After Concussion. Am J Sports Med. 2016 Apr; 44(4):1040-6.
Kriz PK, Stein C, Kent J, Ruggieri D, Dolan E, O'Brien M, Meehan WP. Physical Maturity and Concussion Symptom Duration among Adolescent Ice Hockey Players. J Pediatr. 2016 Apr; 171:234-239.e2.
Kontos AP, Elbin RJ, Sufrinko A, Dakan S, Bookwalter K, Price A, Meehan WP, Collins MW. Incidence of Concussion in Youth Ice Hockey Players. Pediatrics. 2016 Feb; 137(2):1-6.
Easter JS, Haukoos JS, Meehan WP, Novack V, Edlow JA. Will Neuroimaging Reveal a Severe Intracranial Injury in This Adult With Minor Head Trauma?: The Rational Clinical Examination Systematic Review. JAMA. 2015 Dec 22; 314(24):2672-81.
Dorney K, Kimia A, Hannon M, Hennelly K, Meehan WP, Proctor M, Mooney DP, Glotzbecker M, Mannix R. Outcomes of pediatric patients with persistent midline cervical spine tenderness and negative imaging result after trauma. J Trauma Acute Care Surg. 2015 Nov; 79(5):822-7.
Kanayama G, DeLuca J, Meehan WP, Hudson JI, Isaacs S, Baggish A, Weiner R, Micheli L, Pope HG. Ruptured Tendons in Anabolic-Androgenic Steroid Users: A Cross-Sectional Cohort Study. Am J Sports Med. 2015 Nov; 43(11):2638-44.
Meehan W, Mannix R, Zafonte R, Pascual-Leone A. Chronic traumatic encephalopathy and athletes. Neurology. 2015 Oct 27; 85(17):1504-11.
Meehan WP, Taylor AM, Berkner P, Sandstrom NJ, Peluso MW, Kurtz MM, Pascual-Leone A, Mannix R. Division III Collision Sports Are Not Associated with Neurobehavioral Quality of Life. J Neurotrauma. 2016 Jan 15; 33(2):254-9.
Kondo A, Shahpasand K, Mannix R, Qiu J, Moncaster J, Chen CH, Yao Y, Lin YM, Driver JA, Sun Y, Wei S, Luo ML, Albayram O, Huang P, Rotenberg A, Ryo A, Goldstein LE, Pascual-Leone A, McKee AC, Meehan W, Zhou XZ, Lu KP. Antibody against early driver of neurodegeneration cis P-tau blocks brain injury and tauopathy. Nature. 2015 Jul 23; 523(7561):431-6.
Casson IR, Sethi NK, Meehan WP. Early symptom burden predicts recovery after sport-related concussion. Neurology. 2015 Jul 7; 85(1):110-1.
Lee LK, Monuteaux MC, Burghardt LC, Fleegler EW, Nigrovic LE, Meehan WP, Schutzman SA, Mannix R. Motor Vehicle Crash Fatalities in States With Primary Versus Secondary Seat Belt Laws: A Time-Series Analysis. Ann Intern Med. 2015 Aug 4; 163(3):184-90.
Meehan WP, Jordaan M, Prabhu SP, Carew L, Mannix RC, Proctor MR. Risk of athletes with Chiari malformations suffering catastrophic injuries during sports participation is low. Clin J Sport Med. 2015 Mar; 25(2):133-7.
Stracciolini A, Stein CJ, Zurakowski D, Meehan WP, Myer GD, Micheli LJ. Anterior cruciate ligament injuries in pediatric athletes presenting to sports medicine clinic: a comparison of males and females through growth and development. Sports Health. 2015 Mar; 7(2):130-6.
Meehan WP, Bachur RG. The recommendation for rest following acute concussion. Pediatrics. 2015 Feb; 135(2):362-3.
MacDonald J, Wilson J, Young J, Duerson D, Swisher G, Collins CL, Meehan WP. Evaluation of a simple test of reaction time for baseline concussion testing in a population of high school athletes. Clin J Sport Med. 2015 Jan; 25(1):43-8.
Stracciolini A, Casciano R, Friedman HL, Meehan WP, Micheli LJ. A closer look at overuse injuries in the pediatric athlete. Clin J Sport Med. 2015 Jan; 25(1):30-5.
Meehan WP, Mannix R, Monuteaux MC, Stein CJ, Bachur RG. Early symptom burden predicts recovery after sport-related concussion. Neurology. 2014 Dec 9; 83(24):2204-10.
Mannix R, Berglass J, Berkner J, Moleus P, Qiu J, Jantzie LL, Meehan WP, Stanley RM, Robinson S. Sex differences in the effect of progesterone after controlled cortical impact in adolescent mice: a preliminary study. J Neurosurg. 2014 Dec; 121(6):1337-41.
Tan CO, Meehan WP, Iverson GL, Taylor JA. Cerebrovascular regulation, exercise, and mild traumatic brain injury. Neurology. 2014 Oct 28; 83(18):1665-72.
Mannix R, Berglass J, Berkner J, Moleus P, Qiu J, Andrews N, Gunner G, Berglass L, Jantzie LL, Robinson S, Meehan WP. Chronic gliosis and behavioral deficits in mice following repetitive mild traumatic brain injury. J Neurosurg. 2014 Dec; 121(6):1342-50.
Kinnaman KA, Mannix RC, Comstock RD, Meehan WP. Management of pediatric patients with concussion by emergency medicine physicians. Pediatr Emerg Care. 2014 Jul; 30(7):458-61.
O'Brien MJ, Meehan WP. Evaluating the risks and benefits of participation in high-school football. Virtual Mentor. 2014 Jul; 16(7):526-33.
Eisenberg MA, Meehan WP, Mannix R. Duration and course of post-concussive symptoms. Pediatrics. 2014 Jun; 133(6):999-1006.
Naeser MA, Zafonte R, Krengel MH, Martin PI, Frazier J, Hamblin MR, Knight JA, Meehan WP, Baker EH. Significant improvements in cognitive performance post-transcranial, red/near-infrared light-emitting diode treatments in chronic, mild traumatic brain injury: open-protocol study. J Neurotrauma. 2014 Jun 1; 31(11):1008-17.
Mannix R, Eisenberg M, Berry M, Meehan WP, Hayes RL. Serum biomarkers predict acute symptom burden in children after concussion: a preliminary study. J Neurotrauma. 2014 Jun 1; 31(11):1072-5.
Mannix R, Meehan WP, Feany M, Grant PE, Mandeville J, Kaplan DL, Whalen M. Genetic influences and neuropathological sequelae of repetitive brain injury. Reply. Ann Neurol. 2014 Apr; 75(4):618.
Stracciolini A, Casciano R, Levey Friedman H, Stein CJ, Meehan WP, Micheli LJ. Pediatric sports injuries: a comparison of males versus females. Am J Sports Med. 2014 Apr; 42(4):965-72.
Hanson E, Stracciolini A, Mannix R, Meehan WP. Management and prevention of sport-related concussion. Clin Pediatr (Phila). 2014 Nov; 53(13):1221-30.
Brown NJ, Mannix RC, O'Brien MJ, Gostine D, Collins MW, Meehan WP. Effect of cognitive activity level on duration of post-concussion symptoms. Pediatrics. 2014 Feb; 133(2):e299-304.
Meehan WP, Mannix RC, O'Brien MJ, Collins MW. The prevalence of undiagnosed concussions in athletes. Clin J Sport Med. 2013 Sep; 23(5):339-42.
Popoli DM, Burns TG, Meehan WP, Reisner A. CHOA concussion consensus: establishing a uniform policy for academic accommodations. Clin Pediatr (Phila). 2014 Mar; 53(3):217-24.
Mannix R, Meehan WP, Mandeville J, Grant PE, Gray T, Berglass J, Zhang J, Bryant J, Rezaie S, Chung JY, Peters NV, Lee C, Tien LW, Kaplan DL, Feany M, Whalen M. Clinical correlates in an experimental model of repetitive mild brain injury. Ann Neurol. 2013 Jul; 74(1):65-75.
Colvin JD, Thurm C, Pate BM, Newland JG, Hall M, Meehan WP. Diagnosis and acute management of patients with concussion at children's hospitals. Arch Dis Child. 2013 Dec; 98(12):934-8.
Kinnaman KA, Mannix RC, Comstock RD, Meehan WP. Management strategies and medication use for treating paediatric patients with concussions. Acta Paediatr. 2013 Sep; 102(9):e424-8.
Mannix R, O'Brien MJ, Meehan WP. The epidemiology of outpatient visits for minor head injury: 2005 to 2009. Neurosurgery. 2013 Jul; 73(1):129-34; discussion 134.
Gibson S, Nigrovic LE, O'Brien M, Meehan WP. The effect of recommending cognitive rest on recovery from sport-related concussion. Brain Inj. 2013; 27(7-8):839-42.
Eisenberg MA, Andrea J, Meehan W, Mannix R. Time interval between concussions and symptom duration. Pediatrics. 2013 Jul; 132(1):8-17.
Stracciolini A, Casciano R, Levey Friedman H, Meehan WP, Micheli LJ. Pediatric sports injuries: an age comparison of children versus adolescents. Am J Sports Med. 2013 Aug; 41(8):1922-9.
Meehan WP, Lee LK, Fischer CM, Mannix RC. Bicycle helmet laws are associated with a lower fatality rate from bicycle-motor vehicle collisions. J Pediatr. 2013 Sep; 163(3):726-9.
Meehan WP, Mannix R. A substantial proportion of life-threatening injuries are sport-related. Pediatr Emerg Care. 2013 May; 29(5):624-7.
Meehan WP, Mannix RC, Stracciolini A, Elbin RJ, Collins MW. Symptom severity predicts prolonged recovery after sport-related concussion, but age and amnesia do not. J Pediatr. 2013 Sep; 163(3):721-5.
Mannix R, Monuteaux MC, Schutzman SA, Meehan WP, Nigrovic LE, Neuman MI. Isolated skull fractures: trends in management in US pediatric emergency departments. Ann Emerg Med. 2013 Oct; 62(4):327-31.
Guerriero RM, Proctor MR, Mannix R, Meehan WP. Epidemiology, trends, assessment and management of sport-related concussion in United States high schools. Curr Opin Pediatr. 2012 Dec; 24(6):696-701.
Mannix R, Fleegler E, Meehan WP, Schutzman SA, Hennelly K, Nigrovic L, Lee LK. Booster seat laws and fatalities in children 4 to 7 years of age. Pediatrics. 2012 Dec; 130(6):996-1002.
Meehan WP, Zhang J, Mannix R, Whalen MJ. Increasing recovery time between injuries improves cognitive outcome after repetitive mild concussive brain injuries in mice. Neurosurgery. 2012 Oct; 71(4):885-91.
Lin AP, Liao HJ, Merugumala SK, Prabhu SP, Meehan WP, Ross BD. Metabolic imaging of mild traumatic brain injury. Brain Imaging Behav. 2012 Jun; 6(2):208-23.
Meehan WP, d'Hemecourt P, Collins CL, Taylor AM, Comstock RD. Computerized neurocognitive testing for the management of sport-related concussions. Pediatrics. 2012 Jan; 129(1):38-44.
Meehan WP, d'Hemecourt P, Collins CL, Comstock RD. Assessment and management of sport-related concussions in United States high schools. Am J Sports Med. 2011 Nov; 39(11):2304-10.
Mannix R, Nigrovic LE, Schutzman SA, Hennelly K, Bourgeois FT, Meehan WP, Fleisher G, Monuteaux M, Lee LK. Factors associated with the use of cervical spine computed tomography imaging in pediatric trauma patients. Acad Emerg Med. 2011 Sep; 18(9):905-11.
Mannix R, Meehan WP, Monuteaux MC, Bachur RG. Computed tomography for minor head injury: variation and trends in major United States pediatric emergency departments. J Pediatr. 2012 Jan; 160(1):136-9.e1.
Meehan WP. Medical therapies for concussion. Clin Sports Med. 2011 Jan; 30(1):115-24, ix.
Meehan WP, Micheli LJ. Concussion results in deficits in neurocognitive functioning. Preface. Clin Sports Med. 2011 Jan; 30(1):xvii-iii.
Meehan WP, Taylor AM, Proctor M. The pediatric athlete: younger athletes with sport-related concussion. Clin Sports Med. 2011 Jan; 30(1):133-44, x.
Meehan WP, Fleegler E, Bachur RG. Adherence to guidelines for managing the well-appearing febrile infant: assessment using a case-based, interactive survey. Pediatr Emerg Care. 2010 Dec; 26(12):875-80.
Khuman J, Meehan WP, Zhu X, Qiu J, Hoffmann U, Zhang J, Giovannone E, Lo EH, Whalen MJ. Tumor necrosis factor alpha and Fas receptor contribute to cognitive deficits independent of cell death after concussive traumatic brain injury in mice. J Cereb Blood Flow Metab. 2011 Feb; 31(2):778-89.
Meehan WP, d'Hemecourt P, Comstock RD. High school concussions in the 2008-2009 academic year: mechanism, symptoms, and management. Am J Sports Med. 2010 Dec; 38(12):2405-9.
Meehan WP, Mannix R. Pediatric concussions in United States emergency departments in the years 2002 to 2006. J Pediatr. 2010 Dec; 157(6):889-93.
Meehan WP, Bachur RG. Sport-related concussion. Pediatrics. 2009 Jan; 123(1):114-23.
Meehan WP, Hoppa E, Capraro AJ. Focal motor seizure in a wrestler with a sport-related concussion. Phys Sportsmed. 2008 Dec; 36(1):125-8.
Meehan WP, Merschman KM, Chiang VW. An 18-month-old girl with recurrent apneic spells. Pediatr Emerg Care. 2008 Aug; 24(8):546-9.
Meehan WP, Bachur RG. Predictors of cerebrospinal fluid pleocytosis in febrile infants aged 0 to 90 days. Pediatr Emerg Care. 2008 May; 24(5):287-93.
Goetze S, Kintscher U, Kim S, Meehan WP, Kaneshiro K, Collins AR, Fleck E, Hsueh WA, Law RE. Peroxisome proliferator-activated receptor-gamma ligands inhibit nuclear but not cytosolic extracellular signal-regulated kinase/mitogen-activated protein kinase-regulated steps in vascular smooth muscle cell migration. J Cardiovasc Pharmacol. 2001 Dec; 38(6):909-21.
Goetze S, Kintscher U, Kaneshiro K, Meehan WP, Collins A, Fleck E, Hsueh WA, Law RE. TNFalpha induces expression of transcription factors c-fos, Egr-1, and Ets-1 in vascular lesions through extracellular signal-regulated kinases 1/2. Atherosclerosis. 2001 Nov; 159(1):93-101.
Collins AR, Meehan WP, Kintscher U, Jackson S, Wakino S, Noh G, Palinski W, Hsueh WA, Law RE. Troglitazone inhibits formation of early atherosclerotic lesions in diabetic and nondiabetic low density lipoprotein receptor-deficient mice. Arterioscler Thromb Vasc Biol. 2001 Mar; 21(3):365-71.
Kappert K, Blaschke F, Meehan WP, Kawano H, Grill M, Fleck E, Hsueh WA, Law RE, Graf K. Integrins alphavbeta3 and alphavbeta5 mediate VSMC migration and are elevated during neointima formation in the rat aorta. Basic Res Cardiol. 2001 Feb; 96(1):42-9.
Goetze S, Kim S, Xi XP, Graf K, Yang DC, Fleck E, Meehan WP, Hsueh WA, Law RE. Troglitazone inhibits mitogenic signaling by insulin in vascular smooth muscle cells. J Cardiovasc Pharmacol. 2000 May; 35(5):749-57.
Law RE, Goetze S, Xi XP, Jackson S, Kawano Y, Demer L, Fishbein MC, Meehan WP, Hsueh WA. Expression and function of PPARgamma in rat and human vascular smooth muscle cells. Circulation. 2000 Mar 21; 101(11):1311-8.
Shih JC, Ridd MJ, Chen K, Meehan WP, Kung MP, Seif I, De Maeyer E. Ketanserin and tetrabenazine abolish aggression in mice lacking monoamine oxidase A. Brain Res. 1999 Jul 24; 835(2):104-12.
Schwarz ER, Pollick C, Meehan WP, Kloner RA. Evaluation of cardiac structures and function in small experimental animals: transthoracic, transesophageal, and intraventricular echocardiography to assess contractile function in rat heart. Basic Res Cardiol. 1998 Dec; 93(6):477-86.
Graf K, Do YS, Ashizawa N, Meehan WP, Giachelli CM, Marboe CC, Fleck E, Hsueh WA. Myocardial osteopontin expression is associated with left ventricular hypertrophy. Circulation. 1997 Nov 4; 96(9):3063-71.
Meehan JP, Meehan WP. James Paget Henry--a retrospective. Acta Physiol Scand Suppl. 1997; 640:26-9.
Ashizawa N, Graf K, Do YS, Nunohiro T, Giachelli CM, Meehan WP, Tuan TL, Hsueh WA. Osteopontin is produced by rat cardiac fibroblasts and mediates A(II)-induced DNA synthesis and collagen gel contraction. J Clin Invest. 1996 Nov 15; 98(10):2218-27.
Law RE, Meehan WP, Xi XP, Graf K, Wuthrich DA, Coats W, Faxon D, Hsueh WA. Troglitazone inhibits vascular smooth muscle cell growth and intimal hyperplasia. J Clin Invest. 1996 Oct 15; 98(8):1897-905.
Meehan W, O'Connor LE, Berry JW, Weiss J, Morrison A, Acampora A. Guilt, shame, and depression in clients in recovery from addiction. J Psychoactive Drugs. 1996 Apr-Jun; 28(2):125-34.
Meehan WP, Tornatzky W, Miczek KA. Blood pressure via telemetry during social confrontations in rats: effects of clonidine. Physiol Behav. 1995 Jul; 58(1):81-8.
Buchanan TA, Meehan WP, Jeng YY, Yang D, Chan TM, Nadler JL, Scott S, Rude RK, Hsueh WA. Blood pressure lowering by pioglitazone. Evidence for a direct vascular effect. J Clin Invest. 1995 Jul; 96(1):354-60.
Nadra WE, Knight EL, Lee MB, Meehan WP. A retrospective study of treatment outcome for patients with non-insulin-dependent diabetes at an inner-city hospital. Diabetes Educ. 1995 Mar-Apr; 21(2):113-6.
Eddlestone GT, Beigelman PM, Meehan WP, Zeidler A. Pancreatic beta-cell glucose hypersensitivity in hyperglycemic, athymic "nude" mice. Pancreas. 1995 Jan; 10(1):66-70.
Balon TW, Jasman A, Scott S, Meehan WP, Rude RK, Nadler JL. Dietary magnesium prevents fructose-induced insulin insensitivity in rats. Hypertension. 1994 Jun; 23(6 Pt 2):1036-9.
Meehan WP, Buchanan TA, Hsueh W. Chronic insulin administration elevates blood pressure in rats. Hypertension. 1994 Jun; 23(6 Pt 2):1012-7.
Meehan WP, Darwin CH, Maalouf NB, Buchanan TA, Saad MF. Insulin and hypertension: are they related? Przegl Lek. 1994; 51(3):135-48.
Meehan WP, Darwin CH, Maalouf NB, Buchanan TA, Saad MF. Insulin and hypertension: are they related? Steroids. 1993 Dec; 58(12):621-34.
Zeidler A, Edwards P, Goldman J, Kort S, Meehan WP, Levin SR. Hyperglycemic athymic nude mice: factors affecting in vitro insulin secretion. Am J Physiol. 1992 Dec; 263(6 Pt 1):E1131-3.
Leedom L, Meehan WP, Procci W, Zeidler A. Symptoms of depression in patients with type II diabetes mellitus. Psychosomatics. 1991; 32(3):280-6.
Leedom LJ, Meehan WP. The psychoneuroendocrinology of diabetes mellitus in rodents. Psychoneuroendocrinology. 1989; 14(4):275-94.
Meehan WP, Leedom LJ, Henry JP. Diabetes mellitus, adrenal function and the defeat response. Acta Physiol Scand Suppl. 1988; 571:117-28.
Zeidler A, Shargill NS, Meehan WP, Warren DW. Reproductive defects in the male diabetic athymic nude mouse. Biochem Med Metab Biol. 1987 Oct; 38(2):240-5.
Meehan WP, Leedom LJ, Nagayama T, Zeidler A. Hyperglycemia and fight-flight behavior in nondiabetic and diabetic mice. Physiol Behav. 1987; 41(5):397-403.
Leedom LJ, Meehan WP, Zeidler A. Avoidance responding in mice with diabetes mellitus. Physiol Behav. 1987; 40(4):447-51.
Meehan WP, Leedom LJ, Nagayama T, Zeidler A. Agonistic behavior patterns in mice with streptozotocin-induced diabetes mellitus. Physiol Behav. 1986; 38(3):301-6.
Henry JP, Meehan WP, Stephens PM. Role of subordination in nephritis of socially stressed mice. Clin Exp Hypertens A. 1982; 4(4-5):695-705.
Henry JP, Meehan WP, Stephens PM. Role of subordination in nephritis of socially stressed mice. Contrib Nephrol. 1982; 30:38-42.