title: [Contraception: when should barrier methods be recommended?].
mesh_terms: D003267:Contraception / Q000379:methods*; D003271:Contraceptive Agents, Female; D010570:Pessaries
chemical_list: D003271:Contraceptive Agents, Female
vernacular_title: Empfängnisverhütung: Wann sind Barriere-Methoden empfehlenswert?