RT Journal Article SR Electronic T1 Acute life threatening events associated with hypocalcemia and vitamin D deficiency in early infancy. A single center experience from the Kingdom of Saudi Arabia JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 968 OP 968 VO 32 IS 9 A1 Mahmood D. Al-Mendalawi A1 Rafat Mosalli YR 2011 UL http://smj.org.sa/content/32/9/968.abstract AB