TY - JOUR T1 - Perseverance JF - Saudi Medical Journal JO - Saudi Med J SP - 5 LP - 6 VL - 28 IS - 1 AU - Saleh M. Al-Deeb AU - Fahdah Alokaily Y1 - 2007/01/01 UR - http://smj.org.sa/content/28/1/5.abstract ER -