TY  - RPRT
TI  - Studies on a missing reaction in the visual cycle.
AU  - S Amer
AU  - M Akhtar
PY  - 1972
DO  - 10.1038/newbio237266a0
UR  - https://pubmed.ncbi.nlm.nih.gov/4504459/
ID  - 4504459
ER  -