IN MEMORIAM PROF. DR. NAND KUMAR SINGH, MD (AUG.20, 1953-AUG.5, 2016) Статья S. Vajpeyee, R.B. Singh, Anuj Maheshwari, Anil Pandey, Narsingh Varma, G.S. Wander, V.V. Muthusamy, R.K. Goyal, Shashank Joshi, R.G. Singh, K.K. Tripathi, Radzhesh Agarval, Sergey Chibisov, Sergey Shastun, C.Venkat S.Ram, Fabien De, D.W. Wilson, Shyam Sunder, L.D. Mishra World Heart Journal. Том Vol8. 2016. С. 385-388