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Kolloch R, Offers E.Kolloch R, et al. Among authors: offers e.Dtsch Med Wochenschr. 2001 Nov 23;126(47):1342-7. doi: 10.1055/s-2001-18567.Dtsch Med Wochenschr. 2001.PMID: 11719860Review.German.No abstract available.
Offers E, Kolloch R.Offers E, et al.Dtsch Med Wochenschr. 2009 Apr;134(16):809-10. doi: 10.1055/s-0029-1220234. Epub 2009 Apr 7.Dtsch Med Wochenschr. 2009.PMID: 19353464German.No abstract available.