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Nikelski A, Keller A, Schumacher-Schönert F, Dehl T, Laufer J, Sauerbrey U, Wucherer D, Dreier-Wolfgramm A, Michalowsky B, Zwingmann I, Vollmar HC, Hoffmann W, Kreisel SH, Thyrian JR.Nikelski A, et al. Among authors: vollmar hc.Trials. 2019 Aug 30;20(1):543. doi: 10.1186/s13063-019-3636-5.Trials. 2019.PMID: 31470912Free PMC article.
Kramer U, Borges U, Fischer F, Hoffmann W, Pobiruchin M, Vollmar HC.Kramer U, et al. Among authors: vollmar hc.Gesundheitswesen. 2019 Oct;81(10):e154-e170. doi: 10.1055/s-0038-1667451. Epub 2019 Oct 1.Gesundheitswesen. 2019.PMID: 31574556German.
Kramer U, Borges U, Fischer F, Hoffmann W, Pobiruchin M, Vollmar HC.Kramer U, et al. Among authors: vollmar hc.Gesundheitswesen. 2019 Oct;81(10):850-854. doi: 10.1055/a-1038-9173. Epub 2019 Nov 4.Gesundheitswesen. 2019.PMID: 31683317German.