title: Ectopic pregnancy: still cause for concern.
authors.forename: Gary H
authors.initials: GH
authors.lastname: Lipscomb
mesh_terms: D000019:Abortifacient Agents; D000075202:Contraindications; D005260:Female; D006801:Humans; D015994:Incidence; D008727:Methotrexate; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000188:drug therapy / Q000453:epidemiology*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology
chemical_list: D000019:Abortifacient Agents; D008727:Methotrexate