TY  - RPRT
TI  - Photoplethysmograph from a laser source.
AU  - N E Almond
AU  - E D Cooke
PY  - 1991
DO  - 10.1007/bf02442333
UR  - https://pubmed.ncbi.nlm.nih.gov/1817224/
ID  - 1817224
ER  -