TY  - RPRT
TI  - An external lead shutter system for supervoltage roentgenography.
AU  - S J MALSKY
AU  - C B REID
AU  - B ROSWIT
AU  - S M UNGER
AU  - E KERUT
PY  - 1959
UR  - https://pubmed.ncbi.nlm.nih.gov/13634387/
ID  - 13634387
ER  -