RT Journal Article SR Electronic T1 Human Hemoglobin Genetics JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 318 OP 319 DO 10.1136/jmg.24.5.318-a VO 24 IS 5 A1 Clegg, J B YR 1987 UL http://jmg.bmj.com/content/24/5/318.2.abstract AB