Bronchoalveolar lavage fluid findings (y-axis) during the calendar month (x-axis) in healthy never-smoking subjects.

<p>Bronchoalveolar lavage fluid findings (y-axis) during the calendar month (x-axis) in healthy never-smoking subjects.</p

Descriptive statistics of bronchoalveolar lavage fluid findings in healthy never-smoking subjects.

<p>Descriptive statistics of bronchoalveolar lavage fluid findings in healthy never-smoking subjects.</p

Correlation with age for bronchoalveolar lavage fluid recovery (y-axis) in healthy never-smoking subjects.

<p>Correlation with age for bronchoalveolar lavage fluid recovery (y-axis) in healthy never-smoking subjects.</p

Reference values for bronchoalveolar lavage fluid findings in healthy non-smoking and never smoking subjects from previously published studies.

<p>Results reported in ≤10 subjects were excluded from the table.</p><p>Definition of abbreviations: REF = references, N = number, F = female, NA = not available, Cell conc = cell concentration.</p><p>Values are Mean (SD) [Range].</p><p>Numbers in italic are calculated from the publication.</p

Comparison of bronchoalveolar lavage fluid findings between the middle lobe and the lingula in healthy never-smoking subjects.

<p>Comparison of bronchoalveolar lavage fluid findings between the middle lobe and the lingula in healthy never-smoking subjects.</p

Correlation with age for bronchoalveolar lavage fluid findings in healthy never-smoking subjects.

<p>Correlation with age for bronchoalveolar lavage fluid findings in healthy never-smoking subjects.</p

Change in bronchoalveolar lavage fluid findings from first BAL (y-axis) related to time between investigations (x-axis) in healthy never-smoking subjects.

<p>Change in bronchoalveolar lavage fluid findings from first BAL (y-axis) related to time between investigations (x-axis) in healthy never-smoking subjects.</p