“…25). 7.5,uCi N-acetyl [4,5,6,7,8,9-14C]neuraminic acid (specific activity 256 mCi/mmol), high radioactivities were in the blood, kidney, urine, bulbourethral gland, skin and connective tissue. There was relative high radioactivity in the cartilage, liver, muscles, and submandibular gland.…”