TY  - RPRT
TI  - Continuous measurement of blood volume using light reflection: method and validation.
AU  - J P de Vries
AU  - C G Olthof
AU  - V Visser
AU  - P M Kouw
AU  - P M de Vries
PY  - 1993
DO  - 10.1007/bf02446697
UR  - https://pubmed.ncbi.nlm.nih.gov/8231306/
ID  - 8231306
ER  -