This thesis is based on the following papers
- Andersson K, Odlind V, Rybo G. Levonorgestrel releasing and copper releasing (Nova T) IUDs during five years of use. A randomized comparative trial, Contraception. (Accepted for publication.)
- Andersson K, Batar I, Rubo G. Return to fertility after removal of a levonorgestrel-releasing intrauterine device and Nova T. Contraception 1992; 46: 575–84
- Andersson K, Rybo G. Levonorgestrel-releasing intrauterine device in the treatment of menorrhagia. Br J Obstet Gynaecol 1990; 97: 6904
- Andersson K, Mattsson L.-A, Rybo G, Stadberg E. Intrauterine release of levonorgestrel-A new way of adding progestogen in hormone replacement therapy. Obstet Gynecol 1992; 79: 963–7
- Andersson K, Stadberg E, Mattsson L-A, Rybo G, Samsioe G. Intrauterine or oral administration of levonorgestrel in combination with estradiol for climacteric complaints. Effects on lipid metabolism during 12 months of treatment, Submitted for publication