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Simon GE, VonKorff M, Ustun TB, Gater R, Gureje O, Sartorius N.Simon GE, et al. Among authors: vonkorff m.J Clin Epidemiol. 1995 Sep;48(9):1109-18. doi: 10.1016/0895-4356(95)00010-2.J Clin Epidemiol. 1995.PMID: 7636512
Von Korff M, Ustun TB, Ormel J, Kaplan I, Simon GE.Von Korff M, et al.J Clin Epidemiol. 1996 Mar;49(3):297-303. doi: 10.1016/0895-4356(95)00512-9.J Clin Epidemiol. 1996.PMID: 8676177
Simon GE, Goldberg DP, Von Korff M, Ustün TB.Simon GE, et al.Psychol Med. 2002 May;32(4):585-94. doi: 10.1017/s0033291702005457.Psychol Med. 2002.PMID: 12102373