title: [Standard and mini-gravigard in nulliparae. Comparison of 2 multicentric studies].
mesh_terms: D000328:Adult; D001317:Austria; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007434:Intrauterine Devices; D010298:Parity; D000292:Pelvic Inflammatory Disease / Q000453:epidemiology; D013557:Switzerland
vernacular_title: Standard-und Mini-Gravigard bei Nulliparen. Vergleich der Ergebnisse zweier multizentrischer Studien.