TY - BOOK AU - Higgins, Julian P T (ed) AU - Thomas, James (ed) AU - Chandler, Jacqueline (ed) AU - Cumpston, Miranda (ed) AU - Li, Tianjing (ed) AU - Page, Matthew J (ed) AU - Welch, Vivian A (ed) TI - Cochrane handbook for systematic reviews of interventions T2 - Cochrane book series SN - 9781119536628 PY - 2020/// CY - Chichester PB - Wiley-Blackwell KW - Research KW - Research Methods ER -