1. Trends in obesity among adults in the United States, 2005 to 2014;Flegal;JAMA,2016
2. Editorial: something about frailty;Morley;J Gerontol Ser A Biol Sci Med Sci,2002
3. Dynamics of stability: the physiologic basis of functional health and frailty;Lipsitz;J Gerontol Ser A Biol Sci Med Sci,2002
4. Frailty in older adults: evidence for a phenotype;Fried;J Gerontol Ser A Biol Sci Med Sci,2001
5. Models, definitions, and criteria of frailty;Hogan;Aging Clin Exp Res,2003