TY  - RPRT
TI  - A light-energy powered pulsometer.
AU  - E LEASK
AU  - D C SIMPSON
PY  - 1959
DO  - 10.1111/j.1365-2044.1959.tb02462.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14414963/
ID  - 14414963
ER  -