@article{article, title = {{The number needed to retrieve: a practically useful measure of information retrieval?}}, url = {{http://www.ncbi.nlm.nih.gov/pubmed/16911130%20http://www.blackwell-synergy.com/doi/abs/10.1111/j.1471-1842.2006.00663.x%20http://www.ingentaconnect.com/content/bsc/hir/2006/00000023/00000003/art00009 }}, year = {{2006}}, month = {{9}}, author = {{Booth A}}, doi = {{10.1111/j.1471-1842.2006.00663.x}}, volume = {{23}}, journal = {{Health information and libraries journal}}, pages = {{229–32-229–32}}, note = {{Accessed on 2024/09/20}}}