WOJTOWICZ, M [Surgical therapy of 2 cases of umbilical endometriosis]. [electronic resource] - Polski tygodnik lekarski (Warsaw, Poland : 1960) Apr 1961 - 599-601 p. digital Publication Type: Journal Article ISSN: 0032-3756 Subjects--Topical Terms: Endometriosis--surgeryFemaleHumansNeoplasmsUmbilicus