two-year carcinogenicity study of peroral administration of ethyl alcohol in semisynthetic liquid diet to sprague-dawley rats / B. Holmberg, T. Ekstrom, A. Ekner, T. Kronevi, 1994. - 98 p. - Текст : непосредственный.
Protocol for a study on 50 Hz magnetic fields and tumour promotion in female sencar mice / B.Holmberg,T.Ekstr@:om,A.Rannug и др., 1991. - 25 p.