TY - RPRT TI - Immunization and immunotherapy for mastitis. AU - J W Tyler AU - J S Cullor AU - D C Ruffin PY - 1993 DO - 10.1016/s0749-0720(15)30620-4 UR - https://pubmed.ncbi.nlm.nih.gov/8242458/ ID - 8242458 ER -