RT Journal Article SR Electronic T1 A twin study of the genetic influences on the electroencephalogram. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 13 OP 16 DO 10.1136/jmg.9.1.13 VO 9 IS 1 A1 J P Young A1 M H Lader A1 G W Fenton YR 1972 UL http://jmg.bmj.com/content/9/1/13.abstract AB