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Göbel H, Heinze A, Heinze-Kuhn K, Göbel A, Göbel C.Göbel H, et al. Among authors: gobel a, gobel c.Schmerz. 2016 Jun;30(3):295-310. doi: 10.1007/s00482-016-0109-6.Schmerz. 2016.PMID: 27106030Review.German.