title: Measurement of retinal cGMP changes with quick-freeze techniques.
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors; D000818:Animals; D006152:Cyclic GMP / Q000032:analysis*; D005615:Freezing; D007700:Kinetics; D008027:Light; D011898:Ranidae; D012160:Retina / Q000032:analysis* / Q000201:enzymology
chemical_list: D015106:3',5'-Cyclic-GMP Phosphodiesterases; D006152:Cyclic GMP