TY - RPRT TI - A bidirectional respiratory flowmeter using the hot-wire principle. AU - I Yoshiya AU - T Nakajima AU - I Nagai AU - S Jitsukawa PY - 1975 DO - 10.1152/jappl.1975.38.2.360 UR - https://pubmed.ncbi.nlm.nih.gov/1120766/ ID - 1120766 ER -