RT Journal Article SR Electronic T1 Association between tryptophan hydroxylase gene polymorphism and painful non-osseous temporomandibular disorders. JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1352 OP 1354 VO 29 IS 9 A1 Etoz, Osman A. A1 Ataoglu, Hanife A1 Erdal, Mehmet E. YR 2008 UL http://smj.org.sa/content/29/9/1352.abstract