Prevalence of Schistosoma intercalatum and S. haematobium Infection among Primary Schoolchildren in Capital Areas of Democratic Republic Of São Tomé and Príncipe, West Africa - Chu, TB; Liao, CW; Huang, YC; Chang, YT; Costa, ASRJ; Ji, DD; Nara, T; Tsubouchi, A; WS Chang, Peter; Chiu, WT; Fan, CK (Iranian Journal of Parasitology)