Schistosoma mansoni and Shaematobium in the Yemen, Southwest Arabia; with a report of an unusual factor in the epidemiology of Schistosomiasis mansoni.
D000818:Animals; D001083:Arabia; D006801:Humans; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000453:epidemiology* / Q000706:statistics & numerical data*; D012555:Schistosomiasis mansoni; D015006:Yemen
SCHISTOSOMIASIS/epidemiology and statistics