au.\*:("RUIZ-VELAZCO, Silvia")
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Risk factors for Giardia intestinalis infection in agricultural villages practicing wastewater irrigation in MexicoCIFUENTES, Enrique; GOMEZ, Mariana; BLUMENTHAL, Ursula et al.The American journal of tropical medicine and hygiene. 2000, Vol 62, Num 3, pp 388-392, issn 0002-9637Article
