Ferdouse, Mehboba, and Sultana Ferdousi. “Autonomic Dysfunction in Current Cigarette Smokers Assessed by Time Series Analysis of Heart Rate Variability”. Journal of Bangladesh Society of Physiologist 8, no. 2 (April 22, 2014): 84–88. Accessed September 8, 2025. https://www.banglajol.info/index.php/JBSP/article/view/18659.