Halal, Iná S., Cesar G. Victora, and Fernando C. Barros. “ Determining Factors Related to Smoking and Its Abandonment During Pregnancy in an Urban Locality in Southern Brazil ”. Revista de Saúde Pública 27, no. 2 (April 1, 1993): 105–112. Accessed October 19, 2024. https://revistas.usp.br/rsp/article/view/23950.