Kavita Krishna, Reddy S, Adukia S, Diwan AG. “Clinical Profile of Seronegative Spondyloarthropathies With Special Reference to Cardiac Involvement”. The Indian Practitioner, Vol. 68, no. 10, Aug. 2019, pp. 25-32, https://articles.theindianpractitioner.com/index.php/tip/article/view/545.