Jones, Aaron, Feeny, David, Costa, Andrew P. 2018. Longitudinal construct validity of the minimum data set health status index. Health and quality of life outcomes. 16 (1) 102-102.
Vetrano, Davide L., Foebel, Andrea D., Marengoni, Alessandra, Brandi, Vincenzo, Collamati, Agnese, Heckman, George A., Hirdes, John, Bernabei, Roberto, Onder, Graziano 2016. Chronic diseases and geriatric syndromes: The different weight of comorbidity. European Journal of Internal Medicine. 27 () 62-7.
Zimmerman, D. R., Karon, S. L., Arling, G., Clark, B. R., Collins, T., Ross, R., Sainfort, F. 1995. Development and testing of nursing home quality indicators. Health Care Financ Rev. 16 (4) 107-27.