Ullah, Najib, Abdul Waris, Alam Zeb, Muheebur Rehman, Shawkat Ali, Muhammad Imran, and Zahid Muhammad wazir. 2024. “The Association of Anti-CCP Positivity With Extra-Articular Manifestations in Patients With Rheumatoid Arthritis: Anti-Cyclic Citrullinated Peptide Positivity and Extra-Articular Rheumatoid Arthritis”. Pakistan BioMedical Journal 7 (07):29-33. https://doi.org/10.54393/pbmj.v7i07.1098.