TY  - RPRT
TI  - Composite mask subtraction. White-over-white technique.
AU  - D L Sucher
AU  - R D Strand
PY  - 1974
DO  - 10.1148/113.2.470b
UR  - https://pubmed.ncbi.nlm.nih.gov/4608869/
ID  - 4608869
ER  -