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Responder rates at each follow-up visit after treatment with onabotulinumtoxinA during the double-blind period of the study.45 A) Physician’s ratings of glabellar line severity at maximum frown. Responder rates were the percentage of subjects with ratings of none or mild. B) Subject’s assessment of changes in the appearance of glabellar lines. Responder rates were the percentages of subjects with a least moderate improvement.
