A timekeeping enzyme in the pineal gland
By: by Sue Binkley.
Series: Scientific American offprints -- 1426
Publisher: W.H. Freeman
Published: 1979
Place of publication: San Francisco, Calif
Language: eng
Subjects: Biological rhythms; Enzymes; Glands
Notes: Cover title.

Reprinted from Scientific American , April 1979, vol. 240, no. 4, pp. 66-71.