Association Between Mean Platelet Volume and Severity of Chronic Obstructive Pulmonary Disease (COPD): A Cross-Sectional Study at Khyber Teaching Hospital, Peshawar. rjnmsr [Internet]. 2025 Jun. 18 [cited 2025 Jul. 26];3(2):129-41. Available from: https://www.rjnmsreview.com/index.php/rjnmsr/article/view/102