Siemiatycki, Jack, Eleanor Colle, Sally Campbell, Ron Dewar, Denis Aubert, and Mimi M. Belmonte. “Incidence of IDDM in Montreal by Ethnic Group and by Social Class and Comparisons With Ethnic Groups Living Elsewhere.” Diabetes Vol. 37, no. 8 (August 1988): 1096–1102. http://diabetes.diabetesjournals.org/content/37/8/1096.full.pdf+html.