1. Persistence of the circadian thyrotropin rhythm under constant conditions and after light-induced shifts of circadian phase;Allan;J Clin Endocrinol & Metab,1994
2. Allan JS Czeisler CA Duffy JF Kronauer RE 1988 Non-linear dose response of the human circadian pacemaker to light
3. Desynchronization and resynchronization of human circadian rhythms;Aschoff;Aerospace Med,1969
4. Aschoff J 1973 Internal dissociation and desynchronization of circadian systems 255
5. Human circadian rhythms: a multioscillatory system;Aschoff;Fed Proc,1976