RT Journal Article SR Electronic T1 Chromosomal Variation in Man. A Catalog of Chromosomal Variants and Anomalies JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 237 OP 238 DO 10.1136/jmg.19.3.237-a VO 19 IS 3 A1 K M Laurence A1 Peter Gregory YR 1982 UL http://jmg.bmj.com/content/19/3/237.2.abstract AB