title: [Changes of the blood sialic acid level in gastric and rectal neoplasms; with special reference to the changes caused by surgery].
mesh_terms: D006801:Humans; D011184:Postoperative Period; D011379:Prognosis; D012004:Rectal Neoplasms / Q000097:blood* / Q000601:surgery; D012794:Sialic Acids / Q000097:blood*; D013274:Stomach Neoplasms / Q000097:blood* / Q000601:surgery
chemical_list: D012794:Sialic Acids