RT Journal Article SR Electronic T1 Frequency of chromosomal abnormalities in miscarriages and perinatal deaths. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 313 OP 315 DO 10.1136/jmg.14.5.313 VO 14 IS 5 A1 E D Alberman A1 M R Creasy YR 1977 UL http://jmg.bmj.com/content/14/5/313.abstract AB