TY - JOUR T1 - A comparison of results of empirical studies of supplementary search techniques and recommendations in review methodology handbooks: a methodological review JO - Systematic Reviews UR - http://eprints.whiterose.ac.uk/124665/ UR - https://systematicreviewsjournal.biomedcentral.com/track/pdf/10.1186/s13643-017-0625-1?site=systematicreviewsjournal.biomedcentral.com PY - 2017/11/28 AU - Cooper C AU - Booth A AU - Britten N AU - Garside R ED - DO - DOI: 10.1186/s13643-017-0625-1 PB - BioMed Central VL - 6 IS - 1 Y2 - 2024/12/22 ER -