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Council Directive 80/217/EEC of 22 January 1980 introducing Community measures for the control of classical swine fever · European Union
The following tests based on the direct immunofluorescence technique are approved for use and must be carried out with the inclusion of appropriate positive and negative serum controls. 1. Plaque reduction test (PRT)
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Source: EUR-Lex (Cellar) · retrieved 2026-11-09 · Text as adopted (Official Journal); later amendments are not incorporated in this text.