Clarke, M. (2002). Commentary: Searching for trials for systematic reviews: what difference does it make?
Citación estilo ChicagoClarke, M. Commentary: Searching for Trials for Systematic Reviews: What Difference Does It Make? 2002.
Cita MLAClarke, M. Commentary: Searching for Trials for Systematic Reviews: What Difference Does It Make? 2002.
Warning: These citations may not always be 100% accurate.