ANKIT KHANDURI, BHASKAR THAKURIA and PRATIMA GUPTA (2012) “Effectiveness Of Combination Drugs In Extended Spectrum Beta Lactamases Producing Gram Negative Isolates- Experience In A Tertiary Care Hospital Of Uttarakhand”, International Journal of Pharma and Bio Sciences, 3(3), pp. 251–260. Available at: https://ijpbs.net/index.php/journal/article/view/1551 (Accessed: 3 September 2026).