RT Journal Article SR Electronic T1 Berkowitz’s pediatrics: A primary care approach, Sixth revised edition JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 104 OP 104 DO 10.15537/smj.2020.1.24846 VO 41 IS 1 A1 Elwasefy, Shereen A. YR 2020 UL http://smj.org.sa/content/41/1/104.abstract AB