De Wals, P., Trochet, C., & Pinsonneault, L. (1999). Prevalence of Neural Tube Defects in the Province of Quebec, 1992. Can J Public Health.
Citación estilo ChicagoDe Wals, Philippe, Cécile Trochet, y Linda Pinsonneault. "Prevalence of Neural Tube Defects in the Province of Quebec, 1992." Can J Public Health 1999.
Cita MLADe Wals, Philippe, Cécile Trochet, y Linda Pinsonneault. "Prevalence of Neural Tube Defects in the Province of Quebec, 1992." Can J Public Health 1999.
Precaución: Estas citas no son 100% exactas.