Picharn Theveethivarak. 2007. Cloning and expression of ORF7 gene of porcine reproductive and respiratory syndrome virus. Faculty of Agriculture, Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2007.349

Picharn Theveethivarak. Cloning and expression of ORF7 gene of porcine reproductive and respiratory syndrome virus. . Bangkok:Kasetsart University, 2007. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2007.349

Picharn Theveethivarak. (2007) Cloning and expression of ORF7 gene of porcine reproductive and respiratory syndrome virus . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2007.349