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Kittichai Unjit. Prevalence of Toxoplasma gondii infection in free range chicken in Chiang Mai, Thailand. . Chiang Mai:Chiang Mai University, 2009.
Kittichai Unjit. (2009) Prevalence of Toxoplasma gondii infection in free range chicken in Chiang Mai, Thailand . Chiang Mai University/Chiang Mai.