TY  - GEN
AU  - Walchle,R
AU  - Stewart,H
AU  - Terrill,J G
TI  - An automatic x-ray-size limiting system
SN  - 0033-8419
PY  - 1967///0808
KW  - Humans
KW  - Radiation Injuries
KW  - prevention & control
KW  - Radiation Protection
KW  - Radiography
KW  - Technology, Radiologic
KW  - instrumentation
KW  - United States
KW  - United States Public Health Service
N1  - Publication Type: Journal Article
ER  -