Alves, V. C.; Filho, F. das C. C.; Rios, F. P. B.; Lima, C. E.; Keller, K. M.; Murator, M. C. S. COLIFORMS AND Salmonella Spp. IN GROUND MEAT COMERCIALIZED AT TERESINA, PI. Braz. J. Vet. Med. 2011, 33, 32-36.