| Literature DB >> 4539170 |
G Cohnen, W Augener, E König, G Brittinger, S D Douglas.
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Year: 1973 PMID: 4539170 DOI: 10.1056/nejm197301182880319
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245