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Citation: M. Mikkelsson et al., Widespread pain among 11-year-old Finnish twin pairs, ARTH RHEUM, 44(2), 2001, pp. 481-485

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Citation: A. Vikat et al., Neck or shoulder pain and low back pain in Finnish adolescents, SCAND J P H, 28(3), 2000, pp. 164-173

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Authors: Mikkelsson, M Sourander, A Salminen, JJ Kautiainen, H Piha, J

Citation: M. Mikkelsson et al., Widespread pain and neck pain in schoolchildren. A prospective one-year follow-up study, ACT PAEDIAT, 88(10), 1999, pp. 1119-1124

Authors: Salminen, JJ Erkintalo, MO Pentti, J Oksanen, A Kormano, MJ

Citation: Jj. Salminen et al., Recurrent low back pain and early disc degeneration in the young, SPINE, 24(13), 1999, pp. 1316-1321