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http://journals.cambridge.org/action/displayAbstract?aid=691072
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W. PENG,
K. YUAN,
M. HU
and R. B. GASSER
(2007).
Recent insights into the epidemiology and genetics of Ascaris in China using molecular tools. Parasitology, 134
,
pp 325-330
doi:10.1017/S0031182006001521