TY - RPRT TI - Immunity to mastitis. AU - A K Lascelles AU - D D Mackenzie AU - P M Outteridge PY - 1971 DO - 10.3168/jds.s0022-0302(71)85826-5 UR - https://pubmed.ncbi.nlm.nih.gov/5546186/ ID - 5546186 ER -