TY  - RPRT
TI  - Some technical problems with diagnostic radiography at 20 to 40 kVp.
AU  - G M Ardran
AU  - H E Crooks
PY  - 1971
DO  - 10.1259/0007-1285-44-524-625
UR  - https://pubmed.ncbi.nlm.nih.gov/5558708/
ID  - 5558708
ER  -