RT Journal Article SR Electronic T1 Trisomy 13 syndrome in Chinese infants. Clinical findings and incidence. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 132 OP 137 DO 10.1136/jmg.7.2.132 VO 7 IS 2 A1 F C Yu A1 L T Gutman A1 S W Huang A1 J W Fresh A1 I Emanuel YR 1970 UL http://jmg.bmj.com/content/7/2/132.abstract AB