title: Legal abortions in the United States: rates and ratios by race and age, 1972-1974.
mesh_terms: D000029:Abortion, Legal; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D005193:Family Planning Services; D005260:Female; D006801:Humans; D013223:Statistics as Topic; D014481:United States