TR, Yathish, et al. “ISCHAEMIC HEART DISEASE AND GLYCAEMIC CONTROL IN TYPE-2 DIABETES MELLITUS BY QUESTIONNAIRE METHOD”. Pakistan Journal of Physiology, vol. 6, no. 2, Dec. 2010, pp. 50-53, https://pjp.pps.org.pk/index.php/PJP/article/view/813.