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2. California Poultry Improvement Commission, 1962. Seventh California Official Random Sample Turkey Meat Production Test. Modesto, Calif.
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4. The melanoblast as a mesodermal cell. The Biology of Melanomas.;Goldberg,1948
5. Exposés Annuels de Biochimie Médicale. La Mélanogenése;Gonnard,1955