FURTHER OBSERVATIONS ON THE EPIDEMIOLOGY OF INFECTIOUS LARYNGO-TRACHEITIS OF POULTRY.
D000818:Animals; D003141:Communicable Diseases; D007827:Laryngitis; D011200:Poultry; D011201:Poultry Diseases; D014136:Tracheitis; D014777:Virus Diseases
LARYNGITIS; POULTRY DISEASES; TRACHEITIS; VIRUS DISEASES