Additional file 7: of Video laryngoscopy does not improve the intubation outcomes in emergency and critical patients – a systematic review and meta-analysis of randomized controlled trials Jia Jiang Danxu Ma Bo Li Yun Yue Fushan Xue 10.6084/m9.figshare.c.3938488_D7.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_7_of_Video_laryngoscopy_does_not_improve_the_intubation_outcomes_in_emergency_and_critical_patients_a_systematic_review_and_meta-analysis_of_randomized_controlled_trials/5632447 Figures S3, S4, S5, and S6 VL vs. DL for overall success rate. Abbreviations: VL Video laryngoscope, DL Direct laryngoscope. (DOC 97 kb) 2017-11-24 05:00:00 Airway management Laryngoscope Tracheal intubation Randomized controlled trial