TY  - RPRT
TI  - Contrast media techniques in radiography.
AU  - S W Douglas
PY  - 1966
DO  - 10.1111/j.1748-5827.1966.tb04410.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6010185/
ID  - 6010185
ER  -