AB, Fareedabanu, Gorkal AR, and Narsimha Setty KR. 2011. “A SIMPLE TEST OF ONE MINUTE HEART RATE VARIABILITY DURING DEEP BREATHING FOR EVALUATION OF SYMPATHOVAGAL IMBALANCE IN PATIENTS WITH TYPE 2 DIABETES MELLITUS”. Pakistan Journal of Physiology 7 (1):33-36. https://pjp.pps.org.pk/index.php/PJP/article/view/786.