@article{article3c09c40b,
title   = {Time-response of relationship of ractopamine feeding on growth performance, plasma urea nitrogen concentration, and carcass traits of finishing pigs},
author = {Almeida, Vivian Vezzoni de and Nuñez, Amoracyr José Costa and Schinckel, A. P. and Andrade, Carla de and Balieiro, Júlio Cesar de Carvalho and Sbardella, Maicon and Miyada, Valdomiro Shigueru},
year = {2013},
doi = {10.2527/jas.2012-5372},
journal   = {Journal of Animal Science}
}