TY - JOUR T1 - Peak expiratory flow rate variability in apparently healthy school children aged 10-15 years in Oredo, Nigeria JF - Saudi Medical Journal JO - Saudi Med J SP - 725 LP - 725 VL - 30 IS - 5 AU - Mahmood D. Al-Mendalawi Y1 - 2009/05/01 UR - http://smj.org.sa/content/30/5/725.abstract ER -