Discrepancies in autologous bone marrow stem cell trials and enhancement of ejection fraction (DAMASCENE): weighted regression and meta-analysis - Nowbar, AN; Mielewczik, M; Karavassilis, M; Dehbi, H-M; Shun-Shin, MJ; Jones, S; Howard, JP; Cole, GD; Francis, DP (British Medical Journal, 2014)