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Schneider M, Zimmermann AC, Depprich RA, Kübler NR, Engers R, Naujoks CD, Handschel J.Schneider M, et al. Among authors: engers r.Head Face Med. 2009 Nov 24;5:25. doi: 10.1186/1746-160X-5-25.Head Face Med. 2009.PMID: 19930688Free PMC article.Review.
Pourhassan S, Duran M, Engers R, Sandmann W.Pourhassan S, et al. Among authors: engers r.Laryngorhinootologie. 2008 May;87(5):341-4. doi: 10.1055/s-2007-966970. Epub 2007 Oct 25.Laryngorhinootologie. 2008.PMID: 17960522German.
Bölke E, Gerber PA, Peiper M, Engers R, Pape H.Bölke E, et al. Among authors: engers r.Wien Klin Wochenschr. 2008;120(7-8):209. doi: 10.1007/s00508-008-0952-2.Wien Klin Wochenschr. 2008.PMID: 18500594No abstract available.