Gupta MK, Gupta PK, Panthee R. Measurement of Serum Vitamin D Level and its association with Rheumatoid Arthritis, A prospective study at eastern region of Nepal. Birat J. Health Sci. [Internet]. 2023 Nov. 27 [cited 2024 Nov. 21];8(2):2045-9. Available from: https://nepjol.info/index.php/bjhs/article/view/59858