title: Coexisting intrauterine and extrauterine pregnancy.
authors.forename: R S
authors.initials: RS
authors.lastname: CRON
authors.forename: J G
authors.initials: JG
authors.lastname: STOUFFER
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic; D063192:Pregnancy, Heterotopic
keywords: PREGNANCY/heterotopic