title: [Nodules in the navel. From time to time comes bloody secretion].
authors: Michael
authors: M
authors: Sand
authors: Falk G
authors: FG
authors: Bechara
authors: Benno
authors: B
authors: Mann
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004715:Endometriosis / Q000150:complications / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D005260:Female; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D014472:Umbilicus / Q000473:pathology