TY - RPRT TI - Pineal serotonin N-acetyltransferase activity: abrupt decrease in adenosine 3',5'-monophosphate may be signal for "turnoff". AU - D C Klein AU - M J Buda AU - C L Kapoor AU - G Krishna PY - 1978 DO - 10.1126/science.202027 UR - https://pubmed.ncbi.nlm.nih.gov/202027/ ID - 202027 ER -