RT Journal Article SR Electronic T1 Biology of Radiation Carcinogenesis JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 301 OP 302 DO 10.1136/jmg.14.4.301-a VO 14 IS 4 A1 Harnden, D. G. YR 1977 UL http://jmg.bmj.com/content/14/4/301.2.abstract AB