Idler E L, Benyamini Y. Self-rated health andmortality: a review of twenty-seven community studies[J]. Journal of health andsocial behavior, 1997: 21-37.
Tandon A, Murray C J L, Salomon J A, et al.Statistical models for enhancing cross-population comparability[J]. Healthsystems performance assessment: debates, methods and empiricism. Geneva: WorldHealth Organization, 2003: 727-46.