Correction: Effects of Two Chinese Herbal Formulae for the Treatment of Moderate to Severe Stable Chronic Obstructive Pulmonary Disease: A Multicenter, Double-Blind, Randomized Controlled Trial
PLoS One. 2016 Mar 22;11(3):e0152379.
doi: 10.1371/journal.pone.0152379.
eCollection 2016.