W. Li, F. Han, D. Song, and T. M. Shakir, “THE ROLE OF RS12901499 POLYMORPHISM IN ASSOCIATION WITH SMAD3 GENE AND OSTEOARTHRITIS SUSCEPTIBILITY: SYSTEMATIC REVIEW AND META-ANALYSIS”, J Ayub Med Coll Abbottabad, vol. 33, no. 2, pp. 322–327, Apr. 2021.