@misc{indiciae5dbdff3963a2, title = {Impedance pneumography.}, author = {J B North and S Jennett}, year = {1972}, doi = {10.1016/s0140-6736(72)92196-4}, url = {https://pubmed.ncbi.nlm.nih.gov/4116274/}, note = {Source identifier: 4116274} }