TY  - CONF

T1  - When to do an external or internal pilot study : findings from an interview study with research funders

JO  - Trials

PY  - 2019/10/22

AU  - Fairhurst K

AU  - Avery K

AU  - O'Cathain A

AU  - Hoddinott P

AU  - Blazeby J

ED  - 

DO  - DOI: 10.1186/s13063-019-3688-6

PB  - BioMed Central

VL  - 20

IS  - Supplement 1

SP  - 112

EP  - 112

Y2  - 2025/11/28

ER  -