Long-term intracervical contraception with a levonorgestrel device

A new procedure for the statistical evaluation of intrauterine contraception

Stanley P. Azen, Subir Roy, Malcolm C. Pike et al. · American Journal of Obstetrics and Gynecology · 1977 · 92 citations

Medicine, Gynecology, Obstetrics +9

The use-effectiveness of the Copper-T-200 in a simulated field trial

Henri Timonen, Tapani Luukkainen · Contraception · 1974 · 40 citations

Public Health, Preventive Medicine, Experimental Design +6

Intrauterine contraception with the progesterone-T device

Adolfo Rosado, Juan JoséHicks, R Aznar et al. · Contraception · 1974 · 28 citations

Medicine, Gynecology, Obstetrics +14

d-Norgestrel slow-releasing T device as an intrauterine contraceptive

S. El‐Mahgoub · American Journal of Obstetrics and Gynecology · 1975 · 16 citations

Medicine, Gynecology, Obstetrics +14

The norgestrel-T IUD

S. El‐Mahgoub · Contraception · 1980 · 14 citations