title: Sonographic detection and localization of a clinically nondetectable subcutaneous contraceptive implant.
authors.affiliation: School of Medicine, Hôpital Cantonal Universitaire de Genève, Geneva, Switzerland.
authors.forename: Pauline
authors.initials: P
authors.lastname: Amann
authors.forename: Umberto
authors.initials: U
authors.lastname: Botta
authors.forename: Xavier
authors.initials: X
authors.lastname: Montet
authors.forename: Stefano
authors.initials: S
authors.lastname: Bianchi
mesh_terms: D000328:Adult; D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D017135:Desogestrel; D020878:Device Removal; D005260:Female; D006801:Humans; D019736:Prostheses and Implants / Q000009:adverse effects*; D014463:Ultrasonography; D014753:Vinyl Compounds / Q000009:adverse effects*
chemical_list: D003271:Contraceptive Agents, Female; D014753:Vinyl Compounds; C044815:etonogestrel; D017135:Desogestrel