TY  - RPRT
TI  - Breathing efficiency during inspiratory threshold loading in patients with chronic obstructive pulmonary disease.
AU  - E M Baarends
AU  - A M Schols
AU  - C M Nusmeier
AU  - C P van der Grinten
AU  - E F Wouters
PY  - 1998
DO  - 10.1046/j.1365-2281.1998.00097.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9649911/
ID  - 9649911
ER  -