@article{articlea98a78ff,
title   = {Ractopamine as a metabolic modifier feed additive for finishing pigs: a review},
author = {Almeida, Vivian Vezzoni de and Nuñez, Amoracyr José Costa and Miyada, Valdomiro Shigueru},
year = {2012},
doi = {10.1590/S1516-89132012000300016},
journal   = {Brazilian Archives of Biology and Technology}
}