OBSERVATIONS ON BRUCELLOSIS IN IOWA.
D000818:Animals; D002006:Brucellosis; D002007:Brucellosis, Bovine; D002417:Cattle; D004813:Epidemiology; D007484:Iowa; D011634:Public Health; D015047:Zoonoses
BRUCELLOSIS; BRUCELLOSIS, BOVINE; EPIDEMIOLOGY; IOWA; PUBLIC HEALTH; ZOONOSES