title: Acta fifty years ago. Description of an ovarian pregnancy, and a tribute to its author.
authors.forename: P
authors.initials: P
authors.lastname: Bergsjø
mesh_terms: D005260:Female; D049673:History, 20th Century; D006801:Humans; D010053:Ovary; D010920:Placenta / Q000098:blood supply; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000266:history*