Prevalence and Antimicrobial Resistance Patterns of Escherichia coli Causing Urinary Tract Infections: A Retrospective Study at a Tertiary Care Hospital in Karachi, Pakistan. L&S [Internet]. 2026 Jul. 6 [cited 2026 Oct. 9];7(3):6. Available from: https://www.lifenscience.org/index.php/life-and-science/article/view/1066