Changing pattern of schistosomiasis in Egypt.
D000818:Animals; D001700:Biomphalaria / Q000469:parasitology; D004199:Disease Vectors; D004534:Egypt; D006801:Humans; D012548:Schistosoma haematobium; D012550:Schistosoma mansoni; D012552:Schistosomiasis / Q000453:epidemiology*