Ascertainment of chronic diseases in the Canadian Longitudinal Study on Aging (CLSA), systematic review
Raina PS, Wolfson C, Kirkland SA, Keshavarz H, Griffith LE, Patterson C, Uniat J, Strople G, Pelletier A, Angus CL. Ascertainment of chronic diseases in the Canadian longitudinal study on aging (CLSA), systematic review. Can J Aging. 2009 Sep;28(3):275-85. doi: 10.1017/S071498080999002X. PMID: 19860982.