@misc{indiciae85ea4c34825f, title = {Gray level transforms and lesion detectability in echographic images.}, author = {J M Thijssen and B J Oosterveld and R F Wagner}, year = {1988}, doi = {10.1177/016173468801000302}, url = {https://pubmed.ncbi.nlm.nih.gov/3062871/}, note = {Source identifier: 3062871} }