Proceedings of the National Academy of Sciences of the United States of America, Vol. 87, No. 5 (Mar., 1990), pp. 2040-2044 (5 pages) Presynaptic facilitation of transmitter release contributes to ...

During the process of isolating and identifying 9-β-L (+)-adenosine, it was shown that this enantiomer, which previously has not been reported as occurring in nature, made up about 1% of the total ...