RT Journal Article SR Electronic T1 The evaluation of a relationship between group A streptococcal infection with tic disorders in children JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 589 OP 589 VO 31 IS 5 A1 Al-Mendalawi, Mahmood D. YR 2010 UL http://smj.org.sa/content/31/5/589.abstract