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Wasson JH, Kairys SW, Nelson EC, Kalishman N, Baribeau P.Wasson JH, et al. Among authors: nelson ec.J Fam Pract. 1994 May;38(5):489-94.J Fam Pract. 1994.PMID: 8176348
Wasson JH, Jette AM, Anderson J, Johnson DJ, Nelson EC, Kilo CM.Wasson JH, et al. Among authors: nelson ec.J Fam Pract. 2000 Nov;49(11):1017-22.J Fam Pract. 2000.PMID: 11093568Clinical Trial.
Wasson J, Hays R, Rubenstein L, Nelson E, Leaning J, Johnson D, Keller A, Landgraf J, Rosenkrans C.Wasson J, et al.Qual Life Res. 1992 Apr;1(2):99-106. doi: 10.1007/BF00439717.Qual Life Res. 1992.PMID: 1301124Clinical Trial.
Wasson J, Keller A, Rubenstein L, Hays R, Nelson E, Johnson D.Wasson J, et al.Med Care. 1992 May;30(5 Suppl):MS42-9. doi: 10.1097/00005650-199205001-00004.Med Care. 1992.PMID: 1583940
Nelson E, Kirk J, McHugo G, Douglass R, Ohler J, Wasson J, Zubkoff M.Nelson E, et al.Fam Pract Res J. 1987 Summer;6(4):175-88.Fam Pract Res J. 1987.PMID: 3455125
Wasson JH, Stukel TA, Weiss JE, Hays RD, Jette AM, Nelson EC.Wasson JH, et al. Among authors: nelson ec.Eff Clin Pract. 1999 Jan-Feb;2(1):1-10.Eff Clin Pract. 1999.PMID: 10346547Clinical Trial.