TY - RPRT TI - Cation-dependent light-induced structural changes in visual receptor membranes. AU - S P Verma AU - L J Berliner AU - I C Smith PY - 1973 DO - 10.1016/0006-291x(73)91201-1 UR - https://pubmed.ncbi.nlm.nih.gov/4357429/ ID - 4357429 ER -