TY  - RPRT
TI  - A simple wedge filter technique for cobalt 60 therapy.
AU  - J van de GEIJN
PY  - 1962
DO  - 10.1259/0007-1285-35-418-710
UR  - https://pubmed.ncbi.nlm.nih.gov/13947013/
ID  - 13947013
ER  -