title: Professor Lucjan Stepień (1912-1986).
mesh_terms: D000047:Academies and Institutes / Q000266:history; D049673:History, 20th Century; D006801:Humans; D002532:Intracranial Aneurysm / Q000266:history / Q000601:surgery; D009462:Neurology / Q000266:history*; D009493:Neurosurgery / Q000266:history*; D011044:Poland; D012955:Societies, Medical / Q000266:history / Q000458:organization & administration