Circadian phase-shifting effects of a laboratory environment: a clinical trial with bright and dim light
Shawn D Youngstedt, Daniel F Kripke, Jeffrey A Elliott, Katharine M Rex
Weak evidence of bright light effects on human LH and FSH
Daniel F Kripke, Jeffrey A Elliott, Shawn D Youngstedt, Barbara L Parry, Richard L Hauger, Katharine M Rex
Circadian phase response curves to light in older and young women and men
Daniel F Kripke, Jeffrey A Elliott, Shawn D Youngstedt, Katharine M Rex