title: [Progress of obstetrical knowledge in the light of the 1st congresses of Polish physicians].
mesh_terms: D005113:Extraction, Obstetrical; D006666:History of Medicine; D009772:Obstetrical Forceps / Q000266:history; D009774:Obstetrics / Q000266:history*; D011044:Poland
vernacular_title: Postep nauki połozniczej w świetle obrad pierwszych naukowych ajazdów lekarzy polskich