RT Journal Article SR Electronic T1 London Dysmorphology Database JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 727 OP 728 DO 10.1136/jmg.28.10.727-b VO 28 IS 10 A1 Alan Fryer YR 1991 UL http://jmg.bmj.com/content/28/10/727.3.abstract AB