Sialic acid: ambiguous marker of pepsin-degraded mucus.
Guslandi
M
M
D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D009093:Mucus / Q000378:metabolism*; D019158:N-Acetylneuraminic Acid; D012794:Sialic Acids / Q000378:metabolism*
D012794:Sialic Acids; D019158:N-Acetylneuraminic Acid