TY - RPRT TI - Antigenic differences within Actinobacillus pleuropneumoniae serotype 1. AU - R A Jolie AU - M H Mulks AU - B J Thacker PY - 1994 DO - 10.1016/0378-1135(94)90151-1 UR - https://pubmed.ncbi.nlm.nih.gov/8160348/ ID - 8160348 ER -