Katzman Debra K, Stevens Katye, Norris Mark
Division of Adolescent Medicine, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto.
Division of Adolescent Medicine, Department of Paediatrics, Children's Hospital of Eastern Ontario, University of Ottawa, Ottawa, Ontario.
Paediatr Child Health. 2014 Oct;19(8):445-6. doi: 10.1093/pch/19.8.445.