Intramuscular artesunate for severe malaria in African children: a multicenter randomized controlled trial by Kremsner, PG, Adegnika, AA, Hounkpatin, AB, Zinsou, JF, Taylor, TE, Chimalizeni, Y, Liomba, A, Kombila, M, Bouyou-Akotet, MK, Mboumba, DP, Agbenyega, T, Ansong, D, Sylverken, J, Ogutu, BR, Otieno, GA, Wangwe, A, Bojang, KA, Okomo, U, Sanya-Isijola, F, Newton, CR, Njuguna, P, Kazungu, M, Kerb, R, Geditz, M, Schwab, M, Velavan, TP, Nguetse, C, Köhler, C, Issifou, S, Bolte, S, Engleitner, T, Mordmüller, B, Krishna, S