title: The incidence of congenital abnormalities in British Columbia, Alberta, Manitoba and New Brunswick, 1966-1969.
mesh_terms: D000416:Alberta; D001955:British Columbia; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008350:Manitoba; D009509:New Brunswick