3Petersen PE,Bourgeois D,Ogawa H,et al.The global burden of oral diseases and risks to oral health[J].Bull World Health Organ,2005,83(9):661-669.
4Petersen PE,Yanmamoto T.Improving the oral health of older people:The approach of the WHO Global Oral Health Programme[J].Community Dent Oral Epidemiol,2005,33(2):81-92.
5Petersen PE,Bourgeois D,Bratthall D,et al.Oral health information systems-towards measuring progress in oral health promotion and disease prevention[J].Bull World Health Organ,2005,83(9):686-693.
6Morgan R,Tsang J,Harrington N,et al.Survey of hospital doctors' attitudes and knowledge of oral conditions in older patients[J].Postgrad Med J,2001,77(908):392-394.
