Self-rated health status as a health measure: the predictive value of self-reported health status on the use of physician services and on mortality in the working-age population.
J Clin Epidemiol. 1997 May;50(5):517-28. doi: 10.1016/s0895-4356(97)00045-0.
J Clin Epidemiol. 1997.
PMID: 9180644