@misc{indiciae16acaa546908, title = {Pineal serotonin N-acetyltransferase activity: abrupt decrease in adenosine 3',5'-monophosphate may be signal for "turnoff".}, author = {D C Klein and M J Buda and C L Kapoor and G Krishna}, year = {1978}, doi = {10.1126/science.202027}, url = {https://pubmed.ncbi.nlm.nih.gov/202027/}, note = {Source identifier: 202027} }