The effect of needle size on pain perception in patients treated with botulinum toxin A injections: A split-face, patient- and injector-blinded randomized controlled trial

2016 ◽  
Vol 74 (5) ◽  
pp. AB282
Brain ◽  
2019 ◽  
Vol 142 (5) ◽  
pp. 1203-1214 ◽  
Author(s):  
Judith A Pijpers ◽  
Dennis A Kies ◽  
Mark A Louter ◽  
Erik W van Zwet ◽  
Michel D Ferrari ◽  
...  

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