The effect of aerosolized bacterial lysate on experimentally induced Mannheimia haemolytica pneumonia in calves. - Bassel LL; Kaufman EI; Alsop SNA; Sergejewich L; Vulikh K; Stinson KJ; Siracusa LR; Buchan J; Hewson J; Sharif S; Caswell JL (Canadian journal of veterinary research = Revue canadienne de recherche veterinaire, 2022)