A. K, O.; U. O, I.; D. O., F. DETECTION OF EXTENDED SPECTRUM OF β-LACTAMASE IN FEACAL ESCHERICHIA COLI FROM HUMAN, CATTLE AND CHICKEN IN ONDO STATE, NIGERIA. IJRDO - JOURNAL OF BIOLOGICAL SCIENCE, v. 1, n. 8, p. 01-11, 31 Dec. 2015.