title: Deposit on the surface of IUDs. A preliminary report.
mesh_terms: D000328:Adult; D002119:Calcium Carbonate / Q000032:analysis*; D005260:Female; D005547:Foreign Bodies; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D014592:Uterine Hemorrhage / Q000209:etiology
chemical_list: D002119:Calcium Carbonate