REVISED CHECK LIST OF  INTERNAL AND EXTERNAL PARASITES OF DOMESTIC ANIMALS IN THE UNITED STATES AND POSSESSIONS AND IN CANADA.
D000818:Animals; D000829:Animals, Domestic; D002170:Canada; D010271:Parasites; D010272:Parasitic Diseases; D014481:United States; D014730:Veterinary Medicine
CANADA; PARASITIC DISEASES; UNITED STATES; VETERINARY MEDICINE