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Effects of ambroxol treatment on functional status. The polar graph shows changes in the Functional Independence Measure (FIM) ratings after ambroxol treatment for each individual item. The background rings represent scores of 1–7 with an inside‐out order. All items were graded on a 1‐ to 7‐point scale (score 1: total assistance, score 7: complete independence) and the expanding rings indicate the FIM rating.
