RT Journal Article SR Electronic T1 "Code of practice and guidance on human genetic testing services supplied direct to the public". Advisory Committee on Genetic Testing. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 443 OP 445 DO 10.1136/jmg.35.6.443 VO 35 IS 6 A1 Barber, J C YR 1998 UL http://jmg.bmj.com/content/35/6/443.abstract AB