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| | Figueiredo, Ana Cristina, Dias, Luiz Candido de Souza and Marques, Eliana Heiser de Freitas Biological and morphological characteristics of Schistosoma mansoni from Ribeira Valley, State of São Paulo, Brazil: I - susceptibility of Biomphalaria tenagophila snail to sympatric S. mansoni strain. Rev. Inst. Med. trop. S. Paulo, June 1992, vol.34, no.3, p.199-203. ISSN 0036-4665
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