S. N. Carr, D. J. Ivers, D. B. Anderson, D. J. Jones, D. H. Mowrey, M. B. England, J. Killefer, P. J. Rincker, F. K. McKeith,
The effects of ractopamine hydrochloride on lean carcass yields and pork quality characteristics. Journal of Animal Science. ,vol. 83, pp. 2886- 2893 ,(2005) ,
10.2527/2005.83122886X