publication Journal Article Comparison of boluses interval on analgesic efficacy of ultrasound guided interscalene block: Pilot Study more of publication Effect of Intravenous Lidocaine on the Incidence of Post-Extubation Laryngospasm: A Randomized Controlled Trial by Khalid Aljonaieh 2015 Comparison of boluses interval on analgesic efficacy of ultrasound guided interscalene block: Pilot Study Anticipation of appropriate time for awake tracheal extubation: Case Series