title: [OBSERVATIONS IN PROLONGED USE OF THE GRAEFENBERG RING PESSARY].
mesh_terms: D003273:Contraceptive Devices; D004717:Endometrium; D005260:Female; D006801:Humans; D007044:Hysterectomy; D010336:Pathology; D010570:Pessaries; D011859:Radiography
keywords: CONTRACEPTIVE DEVICES; ENDOMETRIUM; HYSTERECTOMY; PATHOLOGY; PESSARIES; RADIOGRAPHY
vernacular_title: BEOBACHTUNGEN UEBER LANGZEITIG APPLIZIERTE GRAEFENBERG-RINGE.