RT Journal Article SR Electronic T1 Noonan syndrome. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 9 OP 13 DO 10.1136/jmg.24.1.9 VO 24 IS 1 A1 Allanson, J E YR 1987 UL http://jmg.bmj.com/content/24/1/9.abstract AB