title: Ectopic pregnancy presenting as rectal pain.
authors.affiliation: Department of Emergency Medicine, Eastern Virginia Medical School and Emergency, Physicians of Tidewater, Norfolk, VA 23507, USA.
authors.forename: Eleanor A
authors.initials: EA
authors.lastname: Erwin
authors.forename: Francis L
authors.initials: FL
authors.lastname: Counselman
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D010146:Pain / Q000209:etiology*; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000628:therapy; D012007:Rectum