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Shapiro DA, Barkham M, Hardy GE, Morrison LA.Shapiro DA, et al. Among authors: barkham m.Br J Med Psychol. 1990 Jun;63 ( Pt 2):97-108. doi: 10.1111/j.2044-8341.1990.tb01603.x.Br J Med Psychol. 1990.PMID: 2198072Clinical Trial.
Barkham M, Agnew RM, Culverwell A.Barkham M, et al.Br J Med Psychol. 1993 Jun;66 ( Pt 2):157-65. doi: 10.1111/j.2044-8341.1993.tb01738.x.Br J Med Psychol. 1993.PMID: 8353109