1. Clinical studies with a new, low-dose oral contraceptive combination containing 0.150 mg desogestrel and 0.020 mg ethinylestradiol;Alapiessa;Acta Obstet Gynecol Scand,1987
2. Phase in clinical trial with a new oral contraceptive containing 150 mcg desogestrel and 20 mcg ethinylestradiol;Lammers;Acta Obstet Gynecol Scand,1991
3. Multicenter clinical trial of an oral contraceptive with desogestrel plus 20 meg ethinylestradiol in Italy;Benagiano,1990
4. International multicenter clinical trial of an oral contraceptive containing 20 mcg ethinylestradiol and 150 mcg desogestrel (Mercilon);Op Ten Berg,1992
5. Resultats d'une étude multicentrique nationale d'un contraceptif oral contenant 20 meg ethinyl-estradiol et 150 meg désogestrel;Kahn-Nathan;Reproduction et hormones,1991