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Presi, Patrick; Stark, Katharina D. C.; Knopf, Lea; Breidenbach, Eric; Sanaa, Moez; Frey, Joachim; Regula, Gertraud (2008). Efficiency of risk-based vs . random sampling for the monitoring of tetracycline residues in slaughtered calves in Switzerland. Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 25(5), pp. 566-73. Taylor & Francis 10.1080/02652030701660544
