title: [Changes in the cyclic nucleotide contents in patients with lung cancer].
mesh_terms: D000242:Cyclic AMP / Q000097:blood*; D006152:Cyclic GMP / Q000097:blood*; D006801:Humans; D008175:Lung Neoplasms / Q000097:blood*; D008875:Middle Aged
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP