TY  - RPRT
TI  - Ionic vs nonionic contrast media: a proposal.
AU  - E C Lasser
AU  - C C Berry
PY  - 1990
DO  - 10.2214/ajr.155.3.2117369
UR  - https://pubmed.ncbi.nlm.nih.gov/2117369/
ID  - 2117369
ER  -