title: [A randomized study of 2 copper coils, Nova-T and Copper-T 200].
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D003718:Denmark; D005260:Female; D005387:Finland; D006801:Humans; D007435:Intrauterine Devices, Copper; D011897:Random Allocation; D013548:Sweden
vernacular_title: En randomiseret undersøgelse af to kobberspiraler, Nova-T og Kobber-T 200.