van Embden, JJGroothuis, DGSoedirman, NFrik, JFPieters, EWJ2025-03-112025-03-111982https://rivm.openrepository.com/handle/10029/629158The effect of virginiamycin in animal feed on drug resistance in the streptococcal flora of calvesArticleIn: Resistance and pathogenic plasmids. Ed. by P.Pohl and J.Leunen, Drukkerijk van Muysewinkel, Brussel (1982) p.372025-03-11