| Literature DB >> 3122474 |
O Schwan, S O Jacobsson, A Frank, L Rudby-Martin, L R Petersson.
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Year: 1987 PMID: 3122474 DOI: 10.1111/j.1439-0442.1987.tb00336.x
Source DB: PubMed Journal: Zentralbl Veterinarmed A ISSN: 0514-7158