| pubmed-article:347216 | pubmed:abstractText | A device operating on the principle of spectrophotometry that allows it by using an auricular sensor to continually record changes in the microconcentration (up to 1 mg/1) of dyes-indicators (ueviridin, cardiogrin, indigocarmin) that are introduced in the human blood circulation system for the purpose of diagnosing affections of the liver, kidneys and heart, is described. | lld:pubmed |
