RT Journal Article SR Electronic T1 Handbook of Normal Physical Measurements JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 407 OP 407 DO 10.1136/jmg.27.6.407-b VO 27 IS 6 A1 Donnai, Dian YR 1990 UL http://jmg.bmj.com/content/27/6/407.3.abstract AB