Kunnummal, A., Pariyapurath, R., Puzhangattil, S., Krishnan, V., Vijayakumar, N. and Gopal, A. 2016. Clinical and echo cardiographic profile of aortic valve stenosis in patients of north Kerala. International Journal of Research in Medical Sciences. 4, 1 (Dec. 2016), 111–114. DOI:https://doi.org/10.18203/2320-6012.ijrms20160014.