%0 Journal Article %A Philip H. Quanjer %A Sanja Stanojevic %A Maureen P. Swanney %A Martin R. Miller %T Recommendations for epidemiological studies on COPD %D 2012 %R 10.1183/09031936.00224411 %J European Respiratory Journal %P 1277-1278 %V 39 %N 5 %U https://erj.ersjournals.com/content/erj/39/5/1277.full.pdf