Severe falciparum and vivax malaria on the Thailand-Myanmar border: a review of 1503 cases by Chu, CS, Stolbrink, M, Stolady, D, Saito, M, Beau, C, Choun, K, Wah, TG, Mu, N, Htoo, K, Nu, B, Keereevijit, A, Wiladpaingern, J, Carrara, V, Phyo, AP, Lwin, KM, Luxemburger, C, Proux, S, Charunwatthana, P, McGready, R, White, NJ, Nosten, F