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Mucolytic Effectiveness of Tyloxapol in Chronic Obstructive Pulmonary Disease - A Double-Blind, Randomized Controlled Trial

Fig 2

Patient flow chart.

28 patients were initially enrolled, 21 completed visit 1 and started treatment phase, 19 finished the study, 2 dropped out because of the following: intestinal bleeding (n = 1) and difficulties to inhale due to shortness of breath (n = 1).

Fig 2

doi: https://doi.org/10.1371/journal.pone.0156999.g002