TY - RPRT TI - A light-induced decrease of cyclic GMP is involved in the photoresponse of molluscan extraocular photoreceptors. AU - T Nishi AU - T Gotow PY - 1989 DO - 10.1016/0006-8993(89)90682-3 UR - https://pubmed.ncbi.nlm.nih.gov/2470470/ ID - 2470470 ER -