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A randomized controlled crossover trial: Lidocaine injected at a 90-degree angle causes less pain than lidocaine injected at a 45-degree angle Kathryn J. Martires, BA, Christi L. Malbasa, MD, Jeremy S. Bordeaux, MD, MPH Journal of the American Academy of Dermatology Volume 65, Issue 6, Pages (December 2011) DOI: /j.jaad Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 1 Pain assessment using 10-point Wong-Baker Faces scale. Median pain scores, along with interquartile ranges, are shown. Difference in medians between the 2 groups was statistically significant (P = .0002). Journal of the American Academy of Dermatology , DOI: ( /j.jaad ) Copyright © 2011 American Academy of Dermatology, Inc. Terms and Conditions
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