TY  - RPRT
TI  - Comparative imaging techniques and models.
AU  - I A Simpson
AU  - D J Sahn
PY  - 1993
DO  - 10.1097/00001573-199311000-00015
UR  - https://pubmed.ncbi.nlm.nih.gov/10146528/
ID  - 10146528
ER  -