CASTILLO, V., MARQUEZ, A., RODRIGUEZ, M. and LALIA, J. 1997. Normal biochemical-endocrine values helpful in controlling growth and development in German Sheepdog, Doberman and Great Dane. Archivos de Medicina Veterinaria. 29, 1 (Jun. 1997), 105–111. DOI:https://doi.org/10.4067/S0301-732X1997000100012.