TY - RPRT TI - Sonic hedgehog is essential for proximal-distal outgrowth of the limb bud in salamanders AU - Seifert, A. W. AU - Purushothaman, S. AU - Avina, B. B. L. PY - 2021 DO - 10.1101/2021.09.16.460693 UR - https://www.biorxiv.org/content/10.1101/2021.09.16.460693v1 ID - 10.1101/2021.09.16.460693 ER -