Authors:
JI G
ANDRADE ATL
SOUZA JP
PIZARROORCHARD E
ROMERO C
BELSEY EM
BUSCA B
PEREGOUDOV S
ROWE P
DARCANGUES C
Citation: G. Ji et al., MENSTRUAL BLOOD-LOSS WITH USE OF A VAGINAL RING RELEASING 20-MU-G LEVONORGESTREL PER DAY, Contraception, 47(5), 1993, pp. 455-468