Gastric mucus.
D000017:ABO Blood-Group System; D005752:Gastric Mucins / Q000032:analysis*; D006023:Glycoproteins / Q000032:analysis*; D006801:Humans; D009844:Oligosaccharides / Q000032:analysis; D010437:Peptic Ulcer / Q000378:metabolism; D013274:Stomach Neoplasms / Q000378:metabolism
D000017:ABO Blood-Group System; D005752:Gastric Mucins; D006023:Glycoproteins; D009844:Oligosaccharides