PT - JOURNAL ARTICLE AU - Hooper, Richard AU - Eldridge, Sandra M TI - Cutting edge or blunt instrument: how to decide if a stepped wedge design is right for you AID - 10.1136/bmjqs-2020-011620 DP - 2021 Mar 01 TA - BMJ Quality & Safety PG - 245--250 VI - 30 IP - 3 4099 - http://qualitysafety.bmj.com/content/30/3/245.short 4100 - http://qualitysafety.bmj.com/content/30/3/245.full SO - BMJ Qual Saf2021 Mar 01; 30