Raul S. Sepulveda

Periodic leg movements during sleep and sleep disturbances in elders.

D F Kripke, D. Kripke, S. Youngstedt, 1998, The journals of gerontology. Series A, Biological sciences and medical sciences.

Sleep duration, illumination, and activity patterns in a population sample: effects of gender and ethnicity

Sonia Ancoli-Israel, G. Jean-Louis, D. Kripke, 2000, Biological Psychiatry.

Circadian sleep, illumination, and activity patterns in women influences of aging and time reference

G. Jean-Louis, D. Kripke, J. Assmus, 2000, Physiology & Behavior.