TY  - RPRT
TI  - A feedback device for teaching diaphragmatic breathing.
AU  - J D Block
AU  - J Lagerson
AU  - L R Zohman
AU  - G Kelly
PY  - 1969
DO  - 10.1164/arrd.1969.100.4.577
UR  - https://pubmed.ncbi.nlm.nih.gov/5350024/
ID  - 5350024
ER  -