Epidemiology of Plasmodium vivax malaria infection in Nepal by Rijal, KR, Adhikari, B, Ghimire, P, Banjara, MR, Hanboonkunupakarn, B, Imwong, M, Chotivanich, K, Ceintury, KP, Lal, BK, Thakur, G, Day, NPJ, White, NJ, Pukrittayakamee, S