Standardized mortality rates associated with legal abortion: United States, 1972-1975.
D000029:Abortion, Legal / Q000401:mortality*; D000367:Age Factors; D005006:Ethnicity; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000401:mortality; D013997:Time Factors; D014481:United States