title: Biochemical analysis of LDH and cyclic nucleotides in the cystic fluid of brain tumors.
mesh_terms: D001932:Brain Neoplasms / Q000032:analysis* / Q000201:enzymology; D000242:Cyclic AMP / Q000032:analysis*; D006152:Cyclic GMP / Q000032:analysis*; D003560:Cysts / Q000032:analysis* / Q000201:enzymology; D006801:Humans; D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase / Q000032:analysis*
chemical_list: D007527:Isoenzymes; D000242:Cyclic AMP; D007770:L-Lactate Dehydrogenase; D006152:Cyclic GMP