TY - JOUR AU - Tabin, C TI - Sonic hedgehog mediates the polarizing activity of the ZPA. JF - Cell DO - 10.1016/0092-8674(93)90626-2 DA - 1994-01-31 UR - https://www.deepdyve.com/lp/pubmed/sonic-hedgehog-mediates-the-polarizing-activity-of-the-zpa-AMkQf0POlq SP - 1401 EP - 16 VL - 75 IS - 7 DP - DeepDyve ER -