Sugiyama, N Changes in the concentrations of free, lipid-bound and total N-acetylneuraminic acid in rat serum with aging. [electronic resource] - The Japanese journal of experimental medicine Apr 1990 - 81-3 p. digital Publication Type: Journal Article ISSN: 0021-5031 Subjects--Topical Terms: Aging--bloodAnimalsFemaleLipids--bloodMaleRatsRats, Inbred F344Sialic Acids--blood