PT  - JOURNAL ARTICLE
AU  - David Nunan
AU  - Carl Heneghan
AU  - Elizabeth A Spencer
TI  - Catalogue of bias: allocation bias
AID  - 10.1136/ebmed-2017-110882
DP  - 2018 Feb 01
TA  - BMJ Evidence-Based Medicine
PG  - 20--21
VI  - 23
IP  - 1
4099  - http://ebm.bmj.com/content/23/1/20.short
4100  - http://ebm.bmj.com/content/23/1/20.full
SO  - BMJ EBM2018 Feb 01; 23