1. Some effects of melatonin and the control of its secretion in humans;Arendt,1985
2. Melatonin: the internal zeitgeber of mammals?;Armstrong,1989
3. Enzymatic O-methylation of N-acetylserotonin to melatonin;Axelrod;Science,1960
4. Circadian phase response curves for dark pulses in the hamster;Boulos;J. Comp. Physiol. [A],1982
5. Human circadian phase resetting response to light is comparable to that of lower organisms;Czeisler;Sleep Res.,1989