@article{article, title  = {{A positional information gradient of sonic hedgehog is required for flight feather formation in avian wings}},

 publisher = {{Cold Spring Harbor Laboratory}},

 url = {{}},

 year = {{-0001}},

 month = {{11}},

 author = {{Busby L and Aceituno C and McQueen C and Rich CA and Ros MA and Towers M}},

 doi = {{10.1101/698555}},

 note = {{Accessed on 2024/12/22}}}