Figure 2From: Short-term variability of biomarkers of proteinase activity in patients with emphysema associated with type Z alpha-1-antitrypsin deficiencyUrine desmosines levels (median ± quartels) determined on samples collected on indicated days from the study patients. Ten healthy individuals had mean values of 22.70 ± 1.66 μg/g creatinine (mean ± SD, reference 14).Back to article page