@misc{indiciae07c9af923a8c, title = {Contrast-enhanced sonography.}, author = {M van de Sandt and U Deichert}, year = {1998}, doi = {10.1093/oxfordjournals.humrep.a019675}, url = {https://pubmed.ncbi.nlm.nih.gov/9853898/}, note = {Source identifier: 9853898} }