title: [Preliminary note on the use of a flexible intrauterine device].
mesh_terms: D000293:Adolescent; D000328:Adult; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000592:standards
vernacular_title: Nota preliminare sull'impiego di un dispositivo intrauterino flessibile.