The impact of oral disease among the institutionalized and non-institutionalized elderly in Hong Kong - Mcmillan, A. S.; Wong, M. C. M.; Lo, E. C. M.; Allen, P. F. (Blackwell Science Ltd, 2003)
http://dx.doi.org/10.1046/j.1365-2842.2003.01046.x
Keywords: WW-YZ