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, vol. 17, no. 11, p. 120, Nov. 2023.