RT Journal Article SR Electronic T1 Probability Models and Statistical Models in Genetics JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 133 OP 134 DO 10.1136/jmg.9.1.133-a VO 9 IS 1 A1 Charles Smith YR 1972 UL http://jmg.bmj.com/content/9/1/133.2.abstract AB