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 2026, 12 (2), 73-75. https://doi.org/10.32677/ijcr.v12i2.7939.