Mumtaz, S. (2007) “EXTENDED SPECTRUM β-LACTAMASES IN ENTERIC GRAM-NEGATIVE BACILLI: RELATED TO AGE AND GENDER”, Journal of Ayub Medical College Abbottabad, 19(4), pp. 107–111. Available at: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/5073 (Accessed: 27 April 2025).