6. Needle-free electronically-controlled jet injector treatment with bleomycin and lidocaine is effective and welltolerated in patients with recalcitrant keloids. 165 6. SUPPLEMENTARY FILES Interval between treatments Median in weeks [Q1 – Q3] Treatment 1 – treatment 2 5 [4 – 7] Treatment 2 – treatment 3 4 [4 – 5] Treatment 3 – follow-up 4 [4 – 5] Supplement 1. Interval between treatments n= 14 GAIS Exceptional improved Very improved Improved Unaltered Worsened . 1 (7.1%) 9 (64.3%) 4 (28.6%) . Supplement 2. Clinical improvement assessment using GAIS GAIS: Global Aesthetic Improvement Scale
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