TY  - RPRT
TI  - Visual photoreceptors.
AU  - W L Stone
AU  - E A Dratz
PY  - 1977
DO  - 10.1111/j.1751-1097.1977.tb07453.x
UR  - https://pubmed.ncbi.nlm.nih.gov/331356/
ID  - 331356
ER  -