@article{article2b05c42e, title = {Studies on the feeding of cupric sulfate pentahydrate, cupric citrate, and copper oxychloride to broiler chickens}, author = {Ewing, H P and Pesti, G M and Bakalli, R I and Menten, José Fernando Machado}, year = {1998}, doi = {10.1093/ps/77.3.445}, journal = {Poultry Science} }