1. Andrews, R. V. (1968). Temporal secretory responses of cultured hamster adrenals. Comp. Biochem. Physiol. 26, 179.
2. Andrews, R. V. and Folk, G. E., Jr. (1964). Circadian metabolic patterns in cultured hamster adrenal glands. Comp. Biochem. Physiol. 11, 393.
3. Andrews, R. V. and Shiotsuka, R. (1974). In vitro adrenal studies in relation to cyclic reproductive success. In: Biorhythms and Human Reproduction — Proceedings of the International Institute for the Study of Human Reproduction (Ferin, M. , Halberg, F., Richart, R., and Vande Wiele, R., eds.), pp. 591–605, Wiley, New York.
4. Aschoff, J. (1960). Exogenous and endogenous components in circadian rhythms. Cold Spring Harbor Symp. Quant. Biol. 25, 11–28.
5. Aycock, W. L., Foley, G. E., and Hendrie, K. H. (1946). The epidemiologic significance of amplitudes of seasonal fluctuation in infectious disease. Am. J. Med. Sci. 211, 709.