TY - JOUR AU - Gao, B. TI - A mutation in Ihh that causes digit abnormalities alters its signalling capacity and range JA - Nature PY - 2009/// PB - Nature Publishing Group M3 - 10.1038/nature07862 N1 - 10.1038/nature07862 UR - http://dx.doi.org/10.1038/nature07862 ER -