RT Journal Article SR Electronic T1 How to create PICO questions about diagnostic tests JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP bmjebm-2021-111676 DO 10.1136/bmjebm-2021-111676 A1 Hendrika J Luijendijk YR 2021 UL http://ebm.bmj.com/content/early/2021/03/31/bmjebm-2021-111676.abstract AB