Research
Understanding why evidence from randomised clinical trials may not be retrieved from Medline: comparison of indexed and non-indexed records
BMJ 2012; 344 doi: https://doi.org/10.1136/bmj.d7501 (Published 03 January 2012) Cite this as: BMJ 2012;344:d7501
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Web Extra
Extra material supplied by the author
Files in this Data Supplement:
- Data Supplement - Search strategy
- Data Supplement - Series of questions to classify types of information in record
Web Extra
Extra material supplied by the author
Files in this Data Supplement:
- Data Supplement - Search strategy
- Data Supplement - Series of questions to classify types of information in record
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