References
- ALLEVA , J. J. , WALESKI , M. V. and ALLEVA , F. R. 1971 . a biological clock controlling the estrous cycle of the hamster . Endocrinology , 88 : 1368 – 1379 .
- GASTON , S. and MENAKER , M. 1967 . Photoperiodic control of hamster testis . Science , 158 : 925 – 928 .
- STETSON , M. H. and WATSON‐WHITMYRE , M. 1976 . Nucleus Suprachiasmaticus: The biological clock in the hamster? . Science , 191 : 197 – 199 .
- WATSON‐WHITMYRE , M. and STETSON , M. H. 1977 . Circadian organization in the regulation of reproduction: Identification of a circadian pacemaker in the hypothalamus of the hamster . J. interdiscipl. Cycle Res. , 8 ( 3–4 ) : 360 – 367 .
- YOUNG , W. C. and FISH , W. R. 1945 . The ovarian hormones and spontaneous running activity in the female rat . Endocrinology , 36 : 181 – 189 .
- Dept of Biological Sciences, Univ. of Delaware, Newark, Delaware 19711, U.S.A.