[Research into the control of enzootic pneumonia in pigs].
D000818:Animals; D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D007501:Iron / Q000008:administration & dosage*; D011014:Pneumonia / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control*
D000900:Anti-Bacterial Agents; D007501:Iron
Untersuchungen zur Bekämpfung der Enzootischen Pneumonie der Schweine.