title: Comments on pathophysiological studies and cyclic nucleotides.
mesh_terms: D000242:Cyclic AMP / Q000502:physiology*; D004194:Disease; D006801:Humans; D009712:Nucleotides, Cyclic / Q000502:physiology*
chemical_list: D009712:Nucleotides, Cyclic; D000242:Cyclic AMP