Sohail khan Raja; Mohammad Ali Arshad Abbasi; Rubina Rafique Shiekh; Tashbih E Batool; Khawaja Faizan Ejaz; Muhammad Ishraf ul Islam; Amna Akbar; Maham Tariq; Sabahat Tasneem; Sarosh Khan Jadoon. INVESTIGATING THE ASSOCIATION BETWEEN BLOOD GROUPS, D-DIMER, AND NEUTROPHIL TO LYMPHOCYTE RATIO IN RELATION TO DISEASE SEVERITY AND OUTCOME: RETROSPECTIVE COHORT STUDY ON COVID-19 PATIENTS. J Popl Ther Clin Pharmacol 2023, 30, 1664-1674.