The answer is (gently) blowing in the wind?
D015415:Biomarkers / Q000032:analysis; D001992:Bronchoalveolar Lavage Fluid / Q000737:chemistry*; D004195:Disease Models, Animal; D006801:Humans; D011175:Positive-Pressure Respiration / Q000009:adverse effects* / Q000379:methods*; D011687:Purines / Q000032:analysis*; D015203:Reproducibility of Results; D012128:Respiratory Distress Syndrome / Q000209:etiology* / Q000378:metabolism* / Q000503:physiopathology; D012680:Sensitivity and Specificity; D013990:Tidal Volume