Part,  Chapter, Paragraph

 1   II,     5.  2.  3|    high-risk patients with vessel obstruction: when this occurs, it is
 2   II,     5.  8.Acr|      airflow limitation~AO~airway obstruction~COPD~chronic obstructive
 3   II,     5.  8.  2| emphysematous~ · with:~ · airways obstruction~ · emphysemaobstructive:~ ·
 4   II,     5.  8.  3|  different definitions of airways obstruction (AO) is provided by Viegi
 5   II,     5.  8.  4|   pre-clinical stage, when airway obstruction has not yet been developed (
 6   II,     5.  8.  4|    increased prevalence of airway obstruction was observed in exposed
 7   II,     5.  8.  7|       patients with fixed airflow obstruction due to asthma or chronic
 8   II,     5.  8.  7|     undetected persistent airflow obstruction in male smokers 40-65 years
 9   II,     5.  8.  7|             Prevalence of airways obstruction in a general population.
10   II,     5. 10.  2|    alveolitis~496~Chronic airways obstruction, not elsewhere classified~
11  Key,   Ap5.  0.  0|   obsessive-compulsive~obstetrics~obstruction~obstructive~occupational~