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Mannion AF, Pittet V, Steiger F, Vader JP, Becker HJ, Porchet F; Zürich Appropriateness of Spine Surgery (ZASS) Group.Mannion AF, et al. Among authors: porchet f.Eur Spine J. 2014 Sep;23(9):1903-17. doi: 10.1007/s00586-014-3284-0. Epub 2014 Apr 24.Eur Spine J. 2014.PMID: 24760463Review.
Sutter M, Eggspuehler A, Grob D, Jeszenszky D, Benini A, Porchet F, Mueller A, Dvorak J.Sutter M, et al. Among authors: porchet f.Eur Spine J. 2007 Nov;16 Suppl 2(Suppl 2):S197-208. doi: 10.1007/s00586-007-0422-y. Epub 2007 Jul 28.Eur Spine J. 2007.PMID: 17661095Free PMC article.
Sutter M, Eggspuehler A, Grob D, Jeszenszky D, Benini A, Porchet F, Mueller A, Dvorak J.Sutter M, et al. Among authors: porchet f.Eur Spine J. 2007 Nov;16 Suppl 2(Suppl 2):S162-70. doi: 10.1007/s00586-007-0418-7. Epub 2007 Jul 31.Eur Spine J. 2007.PMID: 17665225Free PMC article.