PT - JOURNAL ARTICLE AU - Al-Wayli, Hessa M. TI - Prevalence of hepatitis B surface antigen in a Saudi hospital population DP - 2009 Mar 01 TA - Saudi Medical Journal PG - 448--449 VI - 30 IP - 3 4099 - http://smj.org.sa/content/30/3/448.short 4100 - http://smj.org.sa/content/30/3/448.full SO - Saudi Med J2009 Mar 01; 30