The Correlation of Peak Expiratory Flow Rate and Hand Dynamometry in Chronic Obstructive Pulmonary Disease Patients - Afaq, Erum; Nisar, Muhammed Kashif; Shoaib, Navaira; Irfan, Muhammad; Hassan, Syed Hafeez-ul-; Ahmed, Talha (Annals of Jinnah Sindh Medical University, 2023)