12904_2019_456_MOESM2_ESM.pdf (19.71 kB)
Additional file 2: of A systematic review and meta-analysis of randomized controlled trials of palliative care for pain among Chinese adults with cancer
journal contribution
posted on 2019-08-09, 04:06 authored by Xin-Xin Zhao, Meng Cui, Yi-Hang Geng, Yi-Long YangSelection process of studies for the meta-analysis (international databases). (PDF 19 kb)