Small, Gary W.Borus, Jonathan2021-10-131983-03-17Small, Gary W., Jonathan Borus. "Outbreak of Illness in a School Chorus: Toxic Poisoning or Mass Hysteria?." New England Journal of Medicine 308, no. 11 (1983): 632-635. DOI: 10.1056/nejm1983031730811050028-47931533-4406https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37369750en-USGeneral MedicineOutbreak of Illness in a School Chorus: Toxic Poisoning or Mass Hysteria?Toxic Poisoning or Mass Hysteria?Journal Article2018-04-1419832021-10-1310.1056/nejm198303173081105