Columbia subject headings:
Harvard subject headings:
Ruminants--Diseases--Peru--Usi.
Veterinary medicine--Peru--Usi.
Princeton subject headings:
Livestock--Diseases--Peru--Usi.
Peasants--Peru--Usi--Folklore.
Ruminants--Diseases--Peru--Usi.
Traditional medicine--Peru--Usi.
Veterinary medicine--Peru--Usi.