RT Journal Article SR Electronic T1 Ring syndrome: still true? JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 766 OP 768 DO 10.1136/jmg.2008.060442 VO 45 IS 11 A1 E Rossi A1 J Messa A1 O Zuffardi YR 2008 UL http://jmg.bmj.com/content/45/11/766.2.abstract AB