共 52 条
[1]
[Anonymous], 2011, R: A Language and Environment for Statistical Computing
[2]
[Anonymous], 2006, Canadian Health Measures Survey: Cycle 1, 2007 to 2009, P1
[3]
[Anonymous], 2010, REPOR FIN ORAL HEALT, P111
[4]
[Anonymous], 2007, WORLD POPULA AGEING
[5]
Azarpazhooh A, 2012, J CAN DENT ASSOC, V78, P103
[8]
Chalmers J M, 2002, Gerodontology, V19, P80
[9]
Douglass CW, 1999, J AM DENT ASSOC, V131, p3S