PT - JOURNAL ARTICLE AU - Hikmet Yilmaz AU - Ihsan Iskesen TI - Late daytime naps may cause drowsiness after coronary bypass graft operation in the first postoperative week DP - 2007 Oct 01 TA - Neurosciences Journal PG - 348--350 VI - 12 IP - 4 4099 - http://nsj.org.sa/content/12/4/348.short 4100 - http://nsj.org.sa/content/12/4/348.full SO - Neurosciences (Riyadh)2007 Oct 01; 12