TY - JOUR T1 - Gradients of signalling in the developing limb. JO - Curr Opin Cell Biol PY - 2011/12/12 AU - Towers M AU - Wolpert L AU - Tickle C ED - DO - DOI: 10.1016/j.ceb.2011.11.005 VL - 24 IS - 2 SP - 181 EP - 187 Y2 - 2024/12/22 ER -