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Drexler H, Ulm K, Hardt R, Hubmann M, Göen T, Lang E, Angerer J, Lehnert G.Drexler H, et al.Int Arch Occup Environ Health. 1996;69(1):27-32.Int Arch Occup Environ Health. 1996.PMID: 9017431
Drexler H, Göen T.Drexler H, et al.Dtsch Med Wochenschr. 1998 Jun 19;123(25-26):807-13. doi: 10.1055/s-2007-1024072.Dtsch Med Wochenschr. 1998.PMID: 9672489Review.German.No abstract available.