PT  - JOURNAL ARTICLE
AU  - Veronika Williams
AU  - Anne-Marie Boylan
AU  - David Nunan
TI  - Critical appraisal of qualitative research: necessity, partialities and the issue of bias
AID  - 10.1136/bmjebm-2018-111132
DP  - 2019 Mar 20
TA  - BMJ Evidence-Based Medicine
PG  - bmjebm-2018-111132
4099  - http://ebm.bmj.com/content/early/2019/03/20/bmjebm-2018-111132.short
4100  - http://ebm.bmj.com/content/early/2019/03/20/bmjebm-2018-111132.full