Randomized clinical trial with intrauterine devices (levonorgestrel intrauterine device (LNG), CuT 380Ag, CuT 220C and CuT 200B) A 36-month study
- 31 January 1989
- journal article
- clinical trial
- Published by Elsevier BV in Contraception
- Vol. 39 (1), 37-52
- https://doi.org/10.1016/0010-7824(89)90014-0