Zahid, Hira, Anam Rehman, Saima Zareen, Sana Rasheed, Shireen Jawed, and Benash Altaf. “Association of ABO Blood Group Phenotypes With FEV1/FVC Values Among Students of Aziz Fatima Medical and Dental College”. Journal of Rawalpindi Medical College 28, no. 2 (June 29, 2024). Accessed October 31, 2025. https://www.journalrmc.com/index.php/JRMC/article/view/2347.