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Cella D, Gershon R, Lai JS, Choi S.Cella D, et al. Among authors: gershon r.Qual Life Res. 2007;16 Suppl 1:133-41. doi: 10.1007/s11136-007-9204-6. Epub 2007 Mar 31.Qual Life Res. 2007.PMID: 17401637
Lai JS, Teresi J, Gershon R.Lai JS, et al. Among authors: gershon r.Eval Health Prof. 2005 Sep;28(3):283-94. doi: 10.1177/0163278705278276.Eval Health Prof. 2005.PMID: 16123258