Singh PB, Verma RK, Giri R, Agarwal S, Kushwaha JS, Singh MP, Kumar L, Singh N. Efficacy and Safety of Methotrexate Plus Leflunomide in Patients of Rheumatoid Arthritis not Responding to Methotrexate Alone. J. Clin. Res. App. Med. [Internet]. 2023 Apr. 21 [cited 2024 May 3];3(1):5-8. Available from: https://jcramonline.com/index.php/jcram/article/view/48