A Study of Virulence Factors Associated with ESβL Producing Escherichia Coli Isolates from Patients with Urinary Tract Infection at A Nigerian Tertiary Hospital Journal title: Biomedical Journal of Scientific & Technical Research (BJSTR) Authors: Olasehinde Olubunmi Ore Ofetomilayo, Aboderin Oladipo, Lamikanra Adebayo Subject(s):