1. Triphalangeal thumb–polysyndactyly syndrome and syndactyly type IV are caused by genomic duplications involving the long range, limb-specific SHH enhancer. Issue 9 (16th April 2008) Authors: Sun, M; Ma, F; Zeng, X; Liu, Q; Zhao, X-L; Wu, F-X; Wu, G-P; Zhang, Z-F; Gu, B; Zhao, Y-F; Tian, S-H; Lin, B; Kong, X-Y; Zhang, X-L; Yang, W; Lo, W H-Y; Zhang, X Journal: Journal of medical genetics Issue: Volume 45:Issue 9(2008) Page Start: 589 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗