PT - JOURNAL ARTICLE AU - Kamal R Mahtani AU - Carl Heneghan AU - Jeffrey Aronson TI - Single screening or double screening for study selection in systematic reviews? AID - 10.1136/bmjebm-2019-111269 DP - 2020 Aug 01 TA - BMJ Evidence-Based Medicine PG - 149--150 VI - 25 IP - 4 4099 - http://ebm.bmj.com/content/25/4/149.short 4100 - http://ebm.bmj.com/content/25/4/149.full SO - BMJ EBM2020 Aug 01; 25