Kumar, P., N. Singh, D. Kapoor, V. D. Dogra, R. Kumar, V. K. Agarwal, M. Kumar, and A. M. Shoeb. “Study of LV Functions in Patients of Subclinical Hypothyroidism in Patients Coming to Rural Medical College of Sub-Himalayan Region of India”. International Journal of Research in Medical Sciences, vol. 3, no. 1, Jan. 2017, pp. 135-9, https://www.msjonline.org/index.php/ijrms/article/view/1220.