title: A Report on the Hysteroscopic Removal of a Gräfenberg Ring After Almost Fifty Years in Utero.
abstract: A report on the hysteroscopic removal of a Gräfenberg ring after almost fifty years in utero. In addition to the differential diagnostic considerations, the medical history aspects of this case are particularly interesting.
authors.affiliation: Gynaecology, Vivantes Klinikum Am Urban, Berlin.
authors.forename: P
authors.initials: P
authors.lastname: Baldauf
authors.affiliation: Gynaecologist, Berlin.
authors.forename: R
authors.initials: R
authors.lastname: Tönnes
authors.affiliation: Rathgen Research Laboratory, Berlin State Museum, Berlin.
authors.forename: S
authors.initials: S
authors.lastname: Simon
authors.affiliation: Gynaecology Clinic, Charité Campus Virchow-Klinikum, Berlin.
authors.forename: M
authors.initials: M
authors.lastname: David
keywords: contraception; gynaecology; uterus