Trends in deliveries, prenatal care, and obstetrical complications in women with pregestational diabetes: a population-based study in Ontario, Canada, 1996-2001. - Feig DS; Razzaq A; Sykora K; Hux JE; Anderson GM; Feig, Denice S; Razzaq, Asma; Sykora, Kathy; Hux, Jan E; Anderson, Geoff M (Diabetes Care, 2006)