TY - RPRT TI - Assessing harmful effects in systematic reviews. AU - Heather M McIntosh AU - Nerys F Woolacott AU - Anne-Marie Bagnall PY - 2004 DO - 10.1186/1471-2288-4-19 UR - https://pubmed.ncbi.nlm.nih.gov/15260887/ ID - 15260887 ER -