R. . Bhatt, M. S. . Gadhvi, K. N. . Sonaliya, A. . Solanki, and H. . Nayak, “An Epidemiological Study of The Morbidity Pattern Among the Elderly Population in Ahmedabad, Gujarat”, Natl J Community Med, vol. 2, no. 02, pp. 233–236, Sep. 2011.