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: wolfson c.
Can J Aging. 2009 Sep;28(3):221-9. doi: 10.1017/S0714980809990055.
Can J Aging. 2009.
PMID: 19860977