de Lima, Gustavo Julio Mello, and Antônio Lourenço Guidoni. 1999. “Levels of Chromium-Nicotinic Acid in Diets for Growing-Finishing Pigs”. Pesquisa Agropecuaria Brasileira 34 (3):433-39. https://doi.org/10.1590/S1678-3921.pab1999.v34.5176.