Masem Afzal, Muhammad Faiq, Fahad Aman Khan, Imran Khan, Muhammad Maqsood, Umar Farooq Dar, Muhammad Arslan, Ayesha Kaleem. Opting Biological and Targeted Synthetic Disease-modifying Antirheumatic drugs: Willingness to Pay, Perceptions and barriers among Pakistani Rheumatoid Arthritis Patients. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Nov. 30 [cited 2025 Apr. 18];17(11):120. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/5844