Ferdous, Mehboba, and Sultana Ferdousi. “Acute Impact of Cigarette Smoking on Power Spectral Measures of HRV”. Journal of Bangladesh Society of Physiologist 13, no. 1 (August 23, 2018): 8–12. Accessed November 22, 2024. https://banglajol.info/index.php/JBSP/article/view/37842.