Research ArticleOpen accessPhrase in the titleEffect of Dietary Humic Preparations on the Content of Trace Elements in Hens' EggsZbigniew Dobrzanski, Henryk Gorecki, Katarzyna Chojnacka et al.American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 4 · 31 Dec 2007 · 7,952 accessesView PDFCite