TY  - RPRT
TI  - Pursed-lip breathing reduces hyperventilation-induced bronchoconstriction.
AU  - J M Wardlaw
AU  - R J Fergusson
AU  - P M Tweeddale
AU  - G J McHardy
PY  - 1987
DO  - 10.1016/s0140-6736(87)92225-2
UR  - https://pubmed.ncbi.nlm.nih.gov/2885467/
ID  - 2885467
ER  -