@misc{indiciae08e853bb707b, title = {A simple device for electrical recording from the Krogh spirometer.}, author = {S C Sorensen}, year = {1967}, doi = {10.1152/jappl.1967.22.4.861}, url = {https://pubmed.ncbi.nlm.nih.gov/6023209/}, note = {Source identifier: 6023209} }