Keerthika Veer Ranji, Sam Thamburaj A, Joseph Oliver Raj, Syed Zubair Ahmed, and Arul B, “Prediction of falls in elderly: Correlation of Berg’s balance scale with turn 180 test”, Int. J. Res. Pharm. Sci., vol. 11, no. 4, pp. 6949–6953, Dec. 2020.