TY  - RPRT
TI  - Verapamil causes decreased diaphragm endurance but no decrease of nocturnal O(2) saturation in patients with chronic obstructive pulmonary disease.
AU  - M E Broeders
AU  - Y F Heijdra
AU  - P Smits
AU  - H T Folgering
AU  - C Kramers
PY  - 2000
DO  - 10.1007/s002280050005
UR  - https://pubmed.ncbi.nlm.nih.gov/10663450/
ID  - 10663450
ER  -