RT Journal Article SR Electronic T1 Developmental Processes in Higher Vertebrates JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 545 OP 545 DO 10.1136/jmg.8.4.545-a VO 8 IS 4 A1 C. L. Berry YR 1971 UL http://jmg.bmj.com/content/8/4/545.2.abstract AB