RT Journal Article SR Electronic T1 Oxidative stress in patients with premature hair grayness JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1310 OP 1311 VO 26 IS 8 A1 Sharquie, Khalifa E. A1 Turki, Kismat M. A1 Abu-Raghif, Ahmed R. A1 Al-Geboori, Hala G. YR 2005 UL http://smj.org.sa/content/26/8/1310.abstract AB