Results 301 to 304 of about 150,784 (304)

Comparison of ethinylestradiol pharmacokinetics in three hormonal contraceptive formulations: the vaginal ring, the transdermal patch and an oral contraceptive

Contraception, 2005
exaly  

[Contraception and contraceptive methods].

Profamilia : planificacion, poblacion y desarollo, 1992
openaire   +1 more source

The creeping pearl: why has the rate of contraceptive failure increased in clinical trials of combined hormonal contraceptive pills?

Contraception, 2013
exaly  

Contraception (including emergency contraception)

2011
openaire   +1 more source