Additional file 1: of Cervicogenic headache treated by acupuncture based on jin theory: study protocol for a randomized controlled trial Youkang Dong Taipin Guo Lei Xu Chunlin Wang Guanfen Wen Zhiyong Zhao Lianhai Duan Mei Zou Yong Xiang Shu Wang 10.6084/m9.figshare.8857667.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Cervicogenic_headache_treated_by_acupuncture_based_on_jin_theory_study_protocol_for_a_randomized_controlled_trial/8857667 SPIRIT 2013 checklist. (DOC 134 kb) 2019-07-10 05:00:00 Acupuncture Cervicogenic headache Randomized controlled trial Study protocol