Compassionate use of β-lactam enhancer/β-lactam combination zidebactam/cefepime (WCK 5222) for the treatment of recurrent pyelonephritis caused by extensively drug-resistant Klebsiella pneumoniae with high zidebactam/cefepime: A case report. Indian J Case Reports [Internet]. 2026 Mar. 7 [cited 2026 Aug. 17];12(2):73-5. Available from: https://www.mansapublishers.com/ijcr/article/view/7939