title: Letter: Regression of liver cancer with oral urea.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D006528:Carcinoma, Hepatocellular / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000188:drug therapy* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D014508:Urea / Q000008:administration & dosage* / Q000627:therapeutic use
chemical_list: D014508:Urea