RT Journal Article SR Electronic T1 Comment on: Determinants of bone mineral density through quantitative ultrasound screening of healthy children visiting ambulatory paediatric clinics JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 850 OP 850 VO 40 IS 8 A1 Mahmood D. Al-Mendalawi YR 2019 UL http://smj.org.sa/content/40/8/850.abstract AB