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Butters E, Higginson I, George R, Smits A, McCarthy M.Butters E, et al.Qual Life Res. 1992 Feb;1(1):47-51. doi: 10.1007/BF00435435.Qual Life Res. 1992.PMID: 1284465
Higginson I, Wade A, McCarthy M.Higginson I, et al.BMJ. 1990 Aug 4;301(6746):277-81. doi: 10.1136/bmj.301.6746.277.BMJ. 1990.PMID: 1697189Free PMC article.
Higginson IJ, Hearn J, Webb D.Higginson IJ, et al.Eur J Cancer Care (Engl). 1996 Dec;5(4):233-6. doi: 10.1111/j.1365-2354.1996.tb00240.x.Eur J Cancer Care (Engl). 1996.PMID: 9117067