TY  - RPRT
TI  - A passive treatment verification device.
AU  - E Van Roosenbeek
AU  - T G Nelson
PY  - 1971
DO  - 10.2214/ajr.111.3.625
UR  - https://pubmed.ncbi.nlm.nih.gov/4994158/
ID  - 4994158
ER  -