Registration of published randomized trials: a systematic review and meta-analysis
Abstract Background Prospective trial registration is a powerful tool to prevent reporting bias. We aimed to determine the extent to which published randomized controlled trials (RCTs) were registered and registered prospectively. Methods We searched MEDLINE and EMBASE from January 2005 to October 2...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
BMC
2018-10-01
|
| Series: | BMC Medicine |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s12916-018-1168-6 |