Bulletin of the Veterinary Institute in Pulawy 16 ( 1-2 ) : 1-7 . 1972 . -0327BOULANGER , P. et al . Investigation of the CF test for the detection of the virus in swine tissue . Canadian Journal of Comparative Medicine 29 : 201-208 .

Bulletin of the Veterinary Institute in Pulawy 16 ( 1-2 ) : 1-7 . 1972 . -0327BOULANGER , P. et al . Investigation of the CF test for the detection of the virus in swine tissue . Canadian Journal of Comparative Medicine 29 : 201-208 .

Bulletin of the Veterinary Institute in Pulawy 16 ( 1-2 ) : 1-7 . 1972 . Gray . -0327BOULANGER , P. et al . Investigation of the CF test for the detection of the virus in swine tissue . Canadian Journal of Comparative Medicine 29 ...