title: The efficacy of T strain broth vaccine against contagious bovine pleuropneumonia: in-contact trials carried out two years after primary vaccination.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D003168:Complement Fixation Tests; D005260:Female; D005333:Fetus; D008168:Lung / Q000473:pathology; D009175:Mycoplasma Infections / Q000473:pathology / Q000517:prevention & control / Q000662:veterinary*; D011247:Pregnancy; D013997:Time Factors
chemical_list: D000906:Antibodies; D001428:Bacterial Vaccines