| Literature DB >> 5648078 |
K Schaefer, P Schaefer, P Koeppe, A Opitz, D Höffler.
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Year: 1968 PMID: 5648078 DOI: 10.1055/s-0028-1105183
Source DB: PubMed Journal: Dtsch Med Wochenschr ISSN: 0012-0472 Impact factor: 0.628