Lwambo และ Nicholas Joseph Stephen. (1986) The host-parasite relationship of an isolate of Schistosoma mansoni from Saudi Arabia and its intermediate and definitive hosts. Mahidol University,:ม.ป.ท.Lwambo และ Nicholas Joseph Stephen. 1986. The host-parasite relationship of an isolate of Schistosoma mansoni from Saudi Arabia and its intermediate and definitive hosts. ม.ป.ท.:Mahidol University,;Lwambo และ Nicholas Joseph Stephen. The host-parasite relationship of an isolate of Schistosoma mansoni from Saudi Arabia and its intermediate and definitive hosts. ม.ป.ท.:Mahidol University, 1986. Print.