Implantable contraceptives (subdermal implants and hormonally impregnated intrauterine systems) versus other forms of reversible contraceptives: two systematic reviews to assess relative effectiveness, acceptability, tolerability and cost-effectiveness.
作者信息
French R S, Cowan F M, Mansour D J, Morris S, Procter T, Hughes D, Robinson A, Guillebaud J
机构信息
Department of Sexually Transmitted Diseases, Royal Free and University College Medical School, London, UK.