Salmonella in cattle abattoirs in Costa Rica.
D000003:Abattoirs; D000818:Animals; D002353:Carrier State; D002417:Cattle; D003364:Costa Rica; D005243:Feces / Q000382:microbiology; D005506:Food Contamination; D006801:Humans; D008460:Meat; D012475:Salmonella / Q000302:isolation & purification*