title: Guanine nucleotide concentrations in vivo in outer segments of dark and light adapted frog retina.
mesh_terms: D000818:Animals; D001001:Anura; D006152:Cyclic GMP / Q000378:metabolism; D003624:Darkness; D006150:Guanine Nucleotides / Q000378:metabolism*; D006153:Guanosine Diphosphate / Q000378:metabolism; D006160:Guanosine Triphosphate / Q000378:metabolism; D008027:Light; D011894:Rana pipiens; D012160:Retina / Q000378:metabolism*
chemical_list: D006150:Guanine Nucleotides; D006153:Guanosine Diphosphate; D006160:Guanosine Triphosphate; D006152:Cyclic GMP