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. 2015 Apr 29;10(4):e0124937. doi: 10.1371/journal.pone.0124937

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Fig 4 — Individual subject data shown as well as study group mean data shown in blue line. Red line represents historical control data from Comella et al., 2011 [14] showing similar severity scores at Week 8 post-botulinum toxin injection (study Session 1). *p = 0.01.