TY  - JOUR

T1  - "Any other comments?" Open questions on questionnaires - a bane or a bonus to research?

JO  - BMC Med Res Methodol

PY  - 2004/11/08

AU  - O'Cathain A

AU  - Thomas KJ

ED  - 

DO  - DOI: 10.1186/1471-2288-4-25

VL  - 4

SP  - 25

Y2  - 2025/11/02

ER  -