[1]
L. Rugpolmuang, C. Akewanlop, S. Benjarassamerote, P. O-chareanrat, P. Mahasitiwat, and A. Asavamongkolkul, “Falling can be a Serious Problem for the Elderly”, Siriraj Med J, vol. 58, no. 7, pp. 916–921, Jul. 2006.