Thangavel, D., V. Pitchaipillai, V. Rangan, A. Muthusamy, and R. Sivaprakasam. “Relationship Between Duration of Type 2 Diabetes Mellitus and Stress Levels Based on Age, Gender, Anthropometry and Vital Signs”. International Journal of Advances in Medicine, vol. 2, no. 4, Jan. 2017, pp. 401-5, doi:10.18203/2349-3933.ijam20151018.