title: [The loop, after 20 years: evaluation of its utilization in the world].
authors.forename: J E
authors.initials: JE
authors.lastname: Hutchings
authors.forename: P J
authors.initials: PJ
authors.lastname: Benson
authors.forename: G W
authors.initials: GW
authors.lastname: Perkin
authors.forename: R M
authors.initials: RM
authors.lastname: Soderstrom
mesh_terms: D003267:Contraception; D003268:Contraception Behavior; D005069:Evaluation Studies as Topic; D005193:Family Planning Services; D005836:Genitalia, Female; D007434:Intrauterine Devices; D010342:Patient Acceptance of Health Care
keywords: Contraception; Contraceptive Methods; Contraceptive Usage; Evaluation; Family Planning; Genital Effects, Female; Iud; Literature Review; Method Acceptability; Qualitative Evaluation; Use-effectiveness