Humoral and cellular immunity in chromium picolinate-supplemented lambs - Dallago, Bruno Stéfano Lima; McManus, Concepta Margaret; Caldeira, D F; Campeche, A L; Burtet, R T; Paim, Tiago do Prado; Gomes, Edgard Franco; Branquinho, Rosana de Paula; Braz, S V; Louvandini, Helder (Biological Trace Element Research, 2013)