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Penchansky R, Thomas JW.Penchansky R, et al. Among authors: thomas jw.Med Care. 1981 Feb;19(2):127-40. doi: 10.1097/00005650-198102000-00001.Med Care. 1981.PMID: 7206846
Lichtenstein R, Thomas JW.Lichtenstein R, et al. Among authors: thomas jw.Med Care. 1987 Feb;25(2):100-10. doi: 10.1097/00005650-198702000-00003.Med Care. 1987.PMID: 3546968
Murt H, Parsons PE, Harlan WR, Thomas JW, Lepkowski JM, Guire KE, Berki S, Landis JR.Murt H, et al. Among authors: thomas jw.Natl Med Care Util Expend Surv C. 1986 Sep;(5):1-64.Natl Med Care Util Expend Surv C. 1986.PMID: 10296629