TY  - RPRT
TI  - Object radiography contrived to illustrate basic principles.
AU  - E Pantoja
AU  - C Kabler
AU  - C P Li
PY  - 1990
DO  - 10.1148/radiographics.10.2.2326514
UR  - https://pubmed.ncbi.nlm.nih.gov/2326514/
ID  - 2326514
ER  -