RT Journal Article SR Electronic T1 The relation between vitamin D deficiency and fibromyalgia syndrome. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 331 OP 332 VO 33 IS 3 A1 Taher Q. Al-Dabbagh YR 2012 UL http://smj.org.sa/content/33/3/331.abstract AB