A common variant of the p16(INK4a) genetic region is associated with physical function in older people.
Melzer D, Frayling TM, Murray A, Hurst AJ, Harries LW, Song H, Khaw K, Luben R, Surtees PG, Bandinelli SS, Corsi AM, Ferrucci L, Guralnik JM, Wallace RB, Hattersley AT, and Pharoah PD
Mechanisms of ageing and development. Aug 2006
(DOI : 10.1016/j.mad.2007.03.005)