Costa, R. G., J. L. F. Ramos, A. N. de Medeiros, and L. H. R. de Brito. “Morphological and Volumetric Characteristics of goat’s Stomach in Different Milk Feeding Periods”. Brazilian Journal of Veterinary Research and Animal Science, vol. 40, no. supl., Jan. 2003, pp. 118-25, doi:10.1590/S1413-95962003000800005.