Wallop Pakdee และ Pongrama Ramasoota. (2009) Application of iso-electric focusing Bithynia snail antigen for ELISA IgG-subclass detection of human opisthorchiasis. Mahidol University:ม.ป.ท.Wallop Pakdee และ Pongrama Ramasoota. 2009. Application of iso-electric focusing Bithynia snail antigen for ELISA IgG-subclass detection of human opisthorchiasis. ม.ป.ท.:Mahidol University;Wallop Pakdee และ Pongrama Ramasoota. Application of iso-electric focusing Bithynia snail antigen for ELISA IgG-subclass detection of human opisthorchiasis. ม.ป.ท.:Mahidol University, 2009. Print.