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Esteve-Garcia E, Brufau J, Pérez-Vendrell A, Miquel A, Duven K.Esteve-Garcia E, et al.Poult Sci. 1997 Dec;76(12):1728-37. doi: 10.1093/ps/76.12.1728.Poult Sci. 1997.PMID: 9438289Free article.