| Literature DB >> 3251693 |
H Schurawitzki, W Kumpan, B Niederle, F Karnel, J Kramer, W Frank, R Roka, H Imhof.
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Year: 1988 PMID: 3251693 DOI: 10.1007/bf02424937
Source DB: PubMed Journal: Dysphagia ISSN: 0179-051X Impact factor: 3.438