Jha Prabhat, Jacob Binu, Kumar Rajesh
Centre for Global Health Research, Li Ka Shing Knowledge Institute, St. Michael's Hospital and Public Health Sciences, University of Toronto, Toronto, Ontario, Canada.
Int J Epidemiol. 2007 Jun;36(3):651-3. doi: 10.1093/ije/dym108. Epub 2007 May 24.