TY  - JOUR

T1  - The number needed to retrieve: a practically useful measure of information retrieval?

JO  - Health information and libraries journal

UR  - 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

PY  - 2006/09/01

AU  - Booth A

ED  - 

DO  - DOI: 10.1111/j.1471-1842.2006.00663.x

VL  - 23

SP  - 229–32

EP  - 229–32

Y2  - 2024/12/22

ER  -