[4-CHANNEL INK-RECORDING PHOTOPLETHYSMOGRAPH FP-4].
D006801:Humans; D007281:Ink; D010781:Photography; D017156:Photoplethysmography; D010991:Plethysmography
PHOTOGRAPHY; PLETHYSMOGRAPHY
CHETYREKHKANAL'NY'I CHERNIL'NOPISHUSHCHI'I FOTOPLETIZMOGRAF FP-4.