https://pubmed.ncbi.nlm.nih.gov/3629089/
Dynamic in vivo response characteristics of three oximeters: Hewlett-Packard 47201A, Biox III, and...
Pulse oximeters (Biox III, Nellcor N-100) and a transmittance oximeter [Hewlett-Packard 47201A (HP)] were compared for SaO2 measurement and responsiveness...