@misc{indiciaecef1442f6be2, title = {Computer-based characterization of epidermal growth factor precursor.}, author = {R F Doolittle and D F Feng and M S Johnson}, doi = {10.1038/307558a0}, url = {https://pubmed.ncbi.nlm.nih.gov/6607417/}, note = {Source identifier: 6607417} }