R. F. Bittencourt, “Effects of a calcium chelator, a detergent and the soybean lecithin on the quality of the frozen-thawed goat semen”, Braz. J. Vet. Res. Anim. Sci., vol. 45, no. 4, pp. 305–312, Aug. 2008, doi: 10.11606/issn.1678-4456.bjvras.2008.26690.