Results: There is no significant difference between the two groups regarding MRD1 till the 10th week of follow up, then it became significant from the 11th to 15th week with better results in HA filler group, then the difference between the two groups become highly significant from the 16th week afterward with better results for the HA filler over the BTX-A.
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Comparison between hyaluronic acid filler and botulinum toxin type A in the treatment of thyroid upper eyelid retraction.
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