TY - RPRT TI - Constitutive expression of Pasteurella multocida toxin. AU - I C Hoskins AU - A J Lax PY - 1996 DO - 10.1016/0378-1097(96)00220-0 UR - https://pubmed.ncbi.nlm.nih.gov/8768521/ ID - 8768521 ER -