Authors:
HARDY E
SANTOS LC
OSIS MJ
CARVALHO G
CECATTI JG
FAUNDES A
Citation: E. Hardy et al., CONTRACEPTIVE USE AND PREGNANCY BEFORE AND AFTER INTRODUCING LACTATIONAL AMENORRHEA (LAM) IN A POSTPARTUM PROGRAM, Advances in contraception, 14(1), 1998, pp. 59-68
Citation: A. Faundes et al., SIMPLIFYING NFP - PRELIMINARY-REPORT OF A PILOT-STUDY OF THE COLLAR METHOD IN BRAZIL, Advances in contraception, 13(2-3), 1997, pp. 167-171