@misc{indiciae9ba854f2ae25, title = {An experimental system for analyzing response to a morphogen gradient.}, author = {J B Gurdon and A Mitchell and K Ryan}, year = {1996}, doi = {10.1073/pnas.93.18.9334}, url = {https://pubmed.ncbi.nlm.nih.gov/8790330/}, note = {Source identifier: 8790330} }