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Prince M, Lewis G, Bird A, Blizard R, Mann A.Prince M, et al. Among authors: lewis g.Psychol Med. 1996 May;26(3):555-68. doi: 10.1017/s0033291700035637.Psychol Med. 1996.PMID: 8733214Clinical Trial.
Weich S, Churchill R, Lewis G, Mann A.Weich S, et al. Among authors: lewis g.Psychol Med. 1997 Jan;27(1):73-80. doi: 10.1017/s0033291796004023.Psychol Med. 1997.PMID: 9122310
Bebbington PE, Dunn G, Jenkins R, Lewis G, Brugha T, Farrell M, Meltzer H.Bebbington PE, et al. Among authors: lewis g.Psychol Med. 1998 Jan;28(1):9-19. doi: 10.1017/s0033291797006077.Psychol Med. 1998.PMID: 9483679