TY  - RPRT
TI  - Transistor-amplifier units for absorptiometry.
AU  - P W PERRYMAN
AU  - D H RICHARDS
PY  - 1956
DO  - 10.1136/jcp.9.3.273
UR  - https://pubmed.ncbi.nlm.nih.gov/13357631/
ID  - 13357631
ER  -