TY - JOUR T1 - Sonic hedgehog-expressing cells in the developing limb measure time by an intrinsic cell cycle clock. JO - Nat Commun PY - 2014/07/08 AU - Chinnaiya K AU - Tickle C AU - Towers M ED - DO - DOI: 10.1038/ncomms5230 VL - 5 SP - 4230 Y2 - 2025/12/03 ER -