RT Journal Article SR Electronic T1 Chromosome survey of total population of mentally subnormal in North-East Scotland. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 387 OP 388 DO 10.1136/jmg.14.5.387 VO 14 IS 5 A1 D P Forster YR 1977 UL http://jmg.bmj.com/content/14/5/387.abstract AB