Abortion: patterns, technics, and results.
D000029:Abortion, Legal; D000022:Abortion, Spontaneous; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001291:Attitude of Health Personnel; D003475:Curettage; D005260:Female; D005865:Gestational Age; D006801:Humans; D007883:Legislation, Medical; D008428:Maternal Mortality; D008722:Methods; D010298:Parity; D011247:Pregnancy; D011639:Public Opinion; D012959:Socioeconomic Factors; D014481:United States