title: Rapid, light-induced changes of retinal cyclic GMP levels.
mesh_terms: D000818:Animals; D002417:Cattle; D006152:Cyclic GMP / Q000378:metabolism*; D003624:Darkness; D007457:Iodine Radioisotopes; D008027:Light; D008029:Lighting; D011817:Rabbits / Q000276:immunology; D011863:Radioimmunoassay; D011893:Rana esculenta; D012160:Retina / Q000378:metabolism*; D013997:Time Factors; D014316:Tritium
chemical_list: D007457:Iodine Radioisotopes; D014316:Tritium; D006152:Cyclic GMP