[Live births at maternity hospitals. 1. Birth weight, sex, delivery type and the mother's health insurance].

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@article{Souza1988LiveBA, title={[Live births at maternity hospitals. 1. Birth weight, sex, delivery type and the mother's health insurance].}, author={Maria de Lourdes de Souza and Ana Cristina Sayuri Tanaka and Arnaldo Augusto Franco de Siqueira and Renato Martins Santana}, journal={Revista de saúde pública}, year={1988}, volume={22 6}, pages={489-93} }