CHINGKHEILEMBA MAYANGLAMBAM, UMA KUMAR, KUNZANG CHOSDOL, and NIBHRITI DAS. 2014. “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 5 (4):913-21. https://ijpbs.net/index.php/journal/article/view/3423.