RT Journal Article SR Electronic T1 Hereditary macular coloboma. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 224 OP 226 DO 10.1136/jmg.7.3.224 VO 7 IS 3 A1 C I Phillips YR 1970 UL http://jmg.bmj.com/content/7/3/224.abstract AB