FACTORS IN OBSTETRIC MORTALITY. A REVIEW OF 455,553 LIVE BIRTHS IN BALTIMORE, MARYLAND.
D015142:Baltimore; D005260:Female; D006801:Humans; D050498:Live Birth; D008396:Maryland; D008428:Maternal Mortality; D011247:Pregnancy; D011248:Pregnancy Complications
MARYLAND; MATERNAL MORTALITY; PREGNANCY; PREGNANCY COMPLICATIONS