RT Journal Article SR Electronic T1 Abstracts of the meeting of the Association of Clinical Cytogeneticists held on 4 to 6 July 1990 at the University of Manchester, Owens Park JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 61 OP 64 DO 10.1136/jmg.28.1.61 VO 28 IS 1 YR 1991 UL http://jmg.bmj.com/content/28/1/61.abstract AB