TY  - RPRT
TI  - Cardiac output determinations with ear piece densitometry.
AU  - G Hedenstierna
AU  - B Schildt
PY  - 1975
DO  - 10.3109/03009737509178982
UR  - https://pubmed.ncbi.nlm.nih.gov/1096397/
ID  - 1096397
ER  -