TY  - RPRT
TI  - Computer-assisted method for performing impedance cardiography calculations.
AU  - M A Frey
PY  - 1982
DO  - 10.1152/jappl.1982.52.1.274
UR  - https://pubmed.ncbi.nlm.nih.gov/7061275/
ID  - 7061275
ER  -