Piperaquine pharmacokinetics during intermittent preventive treatment for malaria in pregnancy by Chotsiri, P, Gutman, J, Ahmed, R, Poespoprodjo, JR, Syafruddin, D, Khairallah, C, Asih, PBS, L'lanziva, A, Otieno, K, Kariuki, S, Ouma, P, Were, V, Katana, A, Price, RN, Desai, M, Ter Kuile, FO, Tarning, J