Bhaskar, A., B. Areekal, B. Vasudevan, A. R., S. Ravi, and S. Sankar. “Osteoarthritis of Knee and Factors Associated With It in Middle Aged Women in a Rural Area of Central Kerala, India”. International Journal Of Community Medicine And Public Health, vol. 3, no. 10, Dec. 2016, pp. 2926-31, doi:10.18203/2394-6040.ijcmph20163385.