The Canadian longitudinal study on aging (CLSA).
Raina PS, Wolfson C, Kirkland SA, Griffith LE, Oremus M, Patterson C, Tuokko H, Penning M, Balion CM, Hogan D, Wister A, Payette H, Shannon H, Brazil K.
Raina PS, et al. Among authors: balion cm.
Can J Aging. 2009 Sep;28(3):221-9. doi: 10.1017/S0714980809990055.
Can J Aging. 2009.
PMID: 19860977