Underuse of spirometry in the diagnosis of COPD.
Poels
P J P
PJ
Schermer
T R J
TR
van Weel
C
C
D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D013147:Spirometry