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G Webbe Population studies of intermediate hosts in relation
F S Barbosa Aspects of the ecology of the intermediate hosts
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activity adult worms Africa Amer.J animals antigen antimony baboons Barbosa Bayluscide bilharzial bilharziasis Biomphalaria bladder blood Bueding Bulinus Bull canals cent cercariae cuticle density diet disease dose drug effect eggs Egypt El-Gindy endemic endemic areas examined excretion experimental exposure exudate female fibrosis flukes glabratus Gonnert habitats haematobium Hairston Halawani hepatic hours after treatment human immune infected snails infection infection rate intermediate hosts irrigation japonicum laboratory lesions liver lucanthone male mansoni Mastomys mattheei med.J metabolic methods mice miracidia Miracil molluscicides monkeys Mousa NaPCP naturally infected Newsome normal number of snails observed parasite patients period Pitchford portal precipitin precipitin test produced pulmonary rats reaction resistance rhesus monkeys rodents Schistosoma haematobium Schistosoma mansoni schistosomes schistosomicidal serum Sherif snail control snail population species stibophen strain tartar emetic tests tion tissues Trans transmission trematode truncatus urine village vitro Wld Hlth