Alexander David C, Winter Anne-Luise, Eshaghi Alireza, Dooling Kathleen, Frenette Crystal, de Villa Eileen, Varia Monali, Marchand-Austin Alex, Jamieson Frances, Gubbay Jonathan B
Public Health Laboratories-Toronto, Ontario Agency for Health Protection and Promotion, Toronto, Canada.
Infect Control Hosp Epidemiol. 2010 Dec;31(12):1300-2. doi: 10.1086/657337. Epub 2010 Oct 28.