Searching clinical trials registers: guide for systematic reviewers
BMJ 2022; 377 doi: https://doi.org/10.1136/bmj-2021-068791 (Published 26 April 2022)Cite this as: BMJ 2022;377:e068791
Searching clinical trials registers: guide for systematic reviewers
BMJ 2022; 377 doi: https://doi.org/10.1136/bmj-2021-068791 (Published 26 April 2022)Cite this as: BMJ 2022;377:e068791