(Rosenthal 2002) Rosenthal SL, Cotton S, Ready JN et al. Adolescents’ Attitudes and Experiences Regarding Levonorgestrel 100
(Rosenthal 2002) Rosenthal SL, Cotton S, Ready JN et al. Adolescents’ Attitudes and Experiences Regarding Levonorgestrel 100 mcg/Ethinyl