TY - JOUR T1 - A positional information gradient of sonic hedgehog is required for flight feather formation in avian wings PY - -0001/11/30 AU - Busby L AU - Aceituno C AU - McQueen C AU - Rich CA AU - Ros MA AU - Towers M ED - DO - DOI: 10.1101/698555 PB - Cold Spring Harbor Laboratory Y2 - 2024/10/23 ER -