Dr.Krishna Harsha Bhaskara, and Dr.M A Uma. “The Critical Role of Clinical Examination in Diagnosing Atrial Septal Defect in an Elderly Male With Haemoptysis: A Case Report”. International Journal of Pharmacy Research & Technology (IJPRT), vol. 15, no. 1, May 2025, pp. 951-4, https://www.ijprt.org/index.php/pub/article/view/507.