preliminary observations on the distribution, definitive hosts and possible relation with other schistosomes, of schistosoma margrebowiei, le roux, 1933 and schistosoma leiperi, le roux, attempting to define the south western limits of the distribution of schistosoma margrebowiei and s. leiperi and investigating their apparent limited distribution in relation to their snail hosts it was found that there was little overlap in the distribution of s. margrebowiei and s. leiperi and that of the human parasites s. haematobium and s. mansoni, and no overlap with s. mattheei within the area surveyed. it is suggested that the presence of either or both lechwe schistosomes prevented t ...1976965705
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