Maternal mortality study. I. Annual report. 1970-1976.
D000328:Adult; D000847:Annual Reports as Topic; D001723:Birth Rate; D005260:Female; D005313:Fetal Death; D006801:Humans; D007231:Infant, Newborn; D008428:Maternal Mortality; D009518:New York; D011225:Pre-Eclampsia / Q000401:mortality; D011247:Pregnancy