RT Journal Article SR Electronic T1 Mutation in PITX2 is associated with ring dermoid of the cornea JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP e129 OP e129 DO 10.1136/jmg.2004.022434 VO 41 IS 12 A1 K Xia A1 L Wu A1 X Liu A1 X Xi A1 D Liang A1 D Zheng A1 F Cai A1 Q Pan A1 Z Long A1 H Dai A1 Z Hu A1 B Tang A1 Z Zhang A1 J Xia YR 2004 UL http://jmg.bmj.com/content/41/12/e129.abstract AB