Fig. 5From: miR-34a in serum is involved in mild-to-moderate COPD in women exposed to biomass smokemiR-21-5p is down-regulated in women with COPD-TS compared with C. RT-qPCR analysis of serum miR-21-5p in women with COPD-TS compared with C; n = 25. The data are presented as ΔCt values. Student’s t-test was used. COPD-TS, COPD due to tobacco smoke; C, control women. *** P < 0.05Back to article page