Mahmoud Abdel Samad Abdel Azeim ; Walid Ahmady Abd El-Dayem ; Talaat Fathy Aly ; Mohamed Ibrahim Magdy ; Atef Gouda Hussien 2022. Role of Serum and Bile Level of Pyruvate Kinase in Diagnosis of Malignant Biliary Obstruction: Article Review. Journal of Population Therapeutics and Clinical Pharmacology. 29, 04 (Dec. 2022), 513–520. DOI:https://doi.org/10.53555/jptcp.v29i04.4259.