Collins, J D Studies on the in vitro bactericidal activity of bovine sera against selected udder pathogens. [electronic resource] - Research in veterinary science Nov 1969 - 540-6 p. digital Publication Type: Journal Article ISSN: 0034-5288 Subjects--Topical Terms: Aluminum SilicatesAnimalsAntibodies--analysisBlood Bactericidal ActivityCattleComplement System ProteinsEnterobacter--drug effectsEscherichia coli--drug effectsImmune Sera--pharmacologyMammary Glands, Animal--immunologyMuramidase--analysisPseudomonas aeruginosa--drug effects