PT - JOURNAL ARTICLE AU - Clarke, C A TI - Lateral reading 9 AID - 10.1136/jmg.21.6.404 DP - 1984 Dec 01 TA - Journal of Medical Genetics PG - 404--406 VI - 21 IP - 6 4099 - http://jmg.bmj.com/content/21/6/404.short 4100 - http://jmg.bmj.com/content/21/6/404.full SO - J Med Genet1984 Dec 01; 21