Opening injection pressure as a part of multimodal monitoring to detect intraneural injections. Issue 5 (13th January 2022) - Costa, Fabio; Pascarella, Giuseppe; Del Buono, Romualdo; Strumia, Alessandro; Schiavoni, Lorenzo; Mattei, Alessia; Cataldo, Rita; Agrò, Felice Eugenio; Carassiti, Massimiliano