Additional file 2: of A systematic review and meta-analysis of randomized controlled trials of palliative care for pain among Chinese adults with cancer Xin-Xin Zhao Meng Cui Yi-Hang Geng Yi-Long Yang 10.6084/m9.figshare.9412277.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_2_of_A_systematic_review_and_meta-analysis_of_randomized_controlled_trials_of_palliative_care_for_pain_among_Chinese_adults_with_cancer/9412277 Selection process of studies for the meta-analysis (international databases). (PDF 19 kb) 2019-08-09 04:06:31 Pain Palliative care Chinese adults with cancer Meta-analysis