TY - GEN AU - White,D R AU - Mallion,W E TI - A punched-card interlock for a superficial therapy set SN - 0007-1285 PY - 1967///0304 KW - Humans KW - Punched-Card Systems KW - Radiotherapy Dosage KW - instrumentation N1 - Publication Type: Journal Article UR - https://doi.org/10.1259/0007-1285-40-469-69 ER -