“Neuraminic Acid. VI. Acetylneuraminic Acids in Lamprey Liver and Eggs, and in Eggs from Two Teleostei Species”. Revista Española de Fisiología 22, no. 4 (December 1, 1966): 147–152. Accessed July 13, 2025. https://revistas.unav.edu/index.php/ref/article/view/49060.