TY  - JOUR

T1  - Uncontrolled before-after studies: Discouraged by Cochrane and the EMJ

JO  - Emergency Medicine Journal

UR  - https://eprints.whiterose.ac.uk/id/eprint/88476

UR  - http://dx.doi.org/10.1136/emermed-2015-204761

PY  - 2015/03/06

AU  - Goodacre S

ED  - 

DO  - DOI: 10.1136/emermed-2015-204761

PB  - BMJ Publishing Group 

VL  - 32

IS  - 7

SP  - 507

EP  - 508

Y2  - 2025/11/04

ER  -