@misc{indiciae2698336f99fd, title = {Direct and long-range action of a DPP morphogen gradient.}, author = {D Nellen and R Burke and G Struhl and K Basler}, year = {1996}, doi = {10.1016/s0092-8674(00)81114-9}, url = {https://pubmed.ncbi.nlm.nih.gov/8616891/}, note = {Source identifier: 8616891} }