TY - RPRT TI - Two different visual pigments in one retinal cone cell. AU - P Röhlich AU - T van Veen AU - A Szél PY - 1994 DO - 10.1016/0896-6273(94)90053-1 UR - https://pubmed.ncbi.nlm.nih.gov/7946352/ ID - 7946352 ER -