RT Journal Article SR Electronic T1 Reproductive fitness and frequency of new mutations in Becker muscular dystrophy: implications for genetic risk estimates. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 286 OP 287 DO 10.1136/jmg.28.4.286 VO 28 IS 4 A1 Passos-Bueno, M R A1 Zatz, M YR 1991 UL http://jmg.bmj.com/content/28/4/286.abstract AB