Mumtaz, Shamim, Mumtaz Ahmad, Irum Aftab, Naeem Akhtar, Masood ul Hassan, and Abdul Hamid. “EXTENDED SPECTRUM β-LACTAMASES IN ENTERIC GRAM-NEGATIVE BACILLI: RELATED TO AGE AND GENDER”. Journal of Ayub Medical College Abbottabad 19, no. 4 (December 1, 2007): 107–111. Accessed April 27, 2025. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/5073.