Autor:	Pennell NA (AUTHOR), Liu JF (AUTHOR), Mazzini MJ (AUTHOR), Harnik IG (AUTHOR), Fessler HE (AUTHOR), Brotman DJ (AUTHOR), Dwyer JP (AUTHOR), Cohen MD (AUTHOR), Evans AT (AUTHOR), Landrigan CP (AUTHOR), Lockley SW (AUTHOR), Czeisler CA (AUTHOR)
Zdroj:	New England Journal of Medicine. 2/17/2005, Vol. 352 Issue 7, p726-728. 3p.
Databáze:	Academic Search Ultimate
Externí odkaz:	Zobrazit plný text záznamu