[Copper-T or Gravigard. A prospective, randomized study].
D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D007435:Intrauterine Devices, Copper / Q000009:adverse effects*; D011247:Pregnancy; D011446:Prospective Studies; D011897:Random Allocation
Copper-T eller Gravigard. En prospektiv, randomiseret undersøgelse.