10.6084/m9.figshare.9740561.v1 Eugene Kim Eugene Kim Chang Choi Chang Choi Jong Kim Jong Kim Additional file 1: of Effects of C8 nerve root block during interscalene brachial plexus block on anesthesia of the posterior shoulder in patients undergoing arthroscopic shoulder surgery: study protocol for a prospective randomized parallel-group controlled trial Springer Nature 2019 Interscalene brachial plexus block Cervical nerve root Arthroscopic shoulder surgery Lower trunk of the brachial plexus 2019-08-28 04:07:51 Journal contribution https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Effects_of_C8_nerve_root_block_during_interscalene_brachial_plexus_block_on_anesthesia_of_the_posterior_shoulder_in_patients_undergoing_arthroscopic_shoulder_surgery_study_protocol_for_a_prospective_randomized_parallel-/9740561 SPIRIT checklist. (DOC 122 kb)