Islam T, Begum N, Begum S, Ferdousi S, Ali T. Evaluation of Parasympathetic Nerve Function Status in Healthy Elderly Subjects. J Bangladesh Soc Physiol [Internet]. 2009 Jan. 6 [cited 2024 Jul. 8];3:23-8. Available from: https://banglajol.info/index.php/JBSP/article/view/1790