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Ludwig O, Kelm J, Hammes A, Schmitt E, Fröhlich M.Ludwig O, et al. Among authors: kelm j.Front Physiol. 2018 Nov 27;9:1620. doi: 10.3389/fphys.2018.01620. eCollection 2018.Front Physiol. 2018.PMID: 30542291Free PMC article.
Ludwig O, Kelm J.Ludwig O, et al. Among authors: kelm j.Sportverletz Sportschaden. 2016 Aug;30(3):163-7. doi: 10.1055/s-0042-110249. Epub 2016 Aug 4.Sportverletz Sportschaden. 2016.PMID: 27490356English.
Ludwig O, Kelm J, Hammes A, Schmitt E, Fröhlich M.Ludwig O, et al. Among authors: kelm j.Heliyon. 2020 Jul 31;6(7):e04541. doi: 10.1016/j.heliyon.2020.e04541. eCollection 2020 Jul.Heliyon. 2020.PMID: 32775721Free PMC article.
Kelm J, Ludwig O, Ahlhelm F, Andre B, Hopp S.Kelm J, et al.Sportverletz Sportschaden. 2014 Dec;28(4):193-8. doi: 10.1055/s-0034-1385598. Epub 2014 Nov 25.Sportverletz Sportschaden. 2014.PMID: 25423199Review.German.