TY  - RPRT
TI  - Contrast-enhanced sonography.
AU  - M van de Sandt
AU  - U Deichert
PY  - 1998
DO  - 10.1093/oxfordjournals.humrep.a019675
UR  - https://pubmed.ncbi.nlm.nih.gov/9853898/
ID  - 9853898
ER  -