CHINGKHEILEMBA MAYANGLAMBAM, et al. “ENDOTHELIAL NITRIC OXIDE SYNTHASE GENE INTRON- 4 27BP REPEAT POLYMORPHISM IS NOT ASSOCIATED WITH RHEUMATOID ARTHRITIS AMONG ASIAN INDIANS”. International Journal of Pharma and Bio Sciences, vol. 5, no. 4, Sept. 2014, pp. 913-21, https://ijpbs.net/index.php/journal/article/view/3423.