TY  - RPRT
TI  - Threshold pressure training, breathing pattern, and exercise performance in chronic airflow obstruction.
AU  - M G Flynn
AU  - C E Barter
AU  - J C Nosworthy
AU  - J J Pretto
AU  - P D Rochford
AU  - R J Pierce
PY  - 1989
DO  - 10.1378/chest.95.3.535
UR  - https://pubmed.ncbi.nlm.nih.gov/2920580/
ID  - 2920580
ER  -