P. Shivakumar

发表

O. Prakash, M. Varghese, C. Kumar, 2009, International Psychogeriatrics.

M. Varghese, S. Sadanand, P. Sivakumar, 2013, Journal of neurosciences in rural practice.

M. Varghese, M. Purushottam, S. Sadanand, 2012, International journal of Alzheimer's disease.