From the Centers for Disease Control and Prevention. Ectopic pregnancy--United States, 1990-1992.
D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data; D006801:Humans; D015994:Incidence; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology