I. V. Zhdanova

Circadian rhythm sleep disorders: part I, basic principles, shift work and jet lag disorders. An American Academy of Sleep Medicine review.

M. Carskadon, K. Wright, R. Sack, 2007, Sleep.

Effects of a Low Dose of Melatonin on Sleep in Children with Angelman Syndrome

R. Wurtman, I. Zhdanova, J. Wagstaff, 1999, Journal of pediatric endocrinology & metabolism : JPEM.

Circadian Rhythm Sleep Disorders : Part II , Advanced Sleep Phase Disorder , Delayed Sleep Phase Disorder , Free-Running Disorder , and Irregular Sleep-Wake Rhythm An American Academy of Sleep Medicine Review

M. Carskadon, M. Vitiello, K. Wright, 2007 .