El-Osta, Hazem, and Salman Ashfaq. “Cough-Induced Syncope As an Unusual Manifestation of Pericardial Effusion”. Kansas Journal of Medicine 1, no. 3 (May 22, 2008): 53–55. Accessed April 14, 2025. https://journals.ku.edu/kjm/article/view/11270.