Case-control study of seropositivity for cysticercosis in Cuenca, EcuadorGOODMAN, K. A; BALLAGH, S. A; CARPIO, A et al.The American journal of tropical medicine and hygiene. 1999, Vol 60, Num 1, pp 70-74, issn 0002-9637Article

Effect of low-dose oral contraceptives on androgenic markers and acneTHORNEYCROFT, I. H; STANCZYK, F. Z; BRADSHAW, K. D et al.Contraception (Stoneham). 1999, Vol 60, Num 5, pp 255-262, issn 0010-7824Article

The copper T380A intrauterine device in women with type II diabetes mellitusKJOS, S. L; BALLAGH, S. A; LA COUR, M et al.Obstetrics and gynecology (New York. 1953). 1994, Vol 84, Num 6, pp 1006-1009, issn 0029-7844Article

Safety of single daily use for one week of C31G HEC gel in womenBALLAGH, S. A; BAKER, J. M; HENRY, D. M et al.Contraception (Stoneham). 2002, Vol 66, Num 5, pp 369-375, issn 0010-7824, 7 p.Article

A contraceptive vaginal ring releasing norethindrone acetate and ethinyl estradiolBALLAGH, S. A; MISHELL, D. R; LACARRA, M et al.Contraception (Stoneham). 1994, Vol 50, Num 6, pp 517-533, issn 0010-7824Article

Is curettage needed for uncomplicated incomplete spontaneous abortion?BALLAGH, S. A; HARRIS, H. A; DEMASIO, K et al.American journal of obstetrics and gynecology. 1998, Vol 179, Num 5, pp 1279-1282, issn 0002-9378Conference Paper

Dose-finding study of a contraceptive ring releasing norethindrone acetate/ethinyl estradiolBALLAGH, S. A; MISHELL, D. R; JACKANICZ, T. M et al.Contraception (Stoneham). 1994, Vol 50, Num 6, pp 535-549, issn 0010-7824Article