Completing a postal health questionnaire did not affect anxiety or related measures: randomized controlled trial. (2009)

Abstract

No abstract provided

Bibliographic Information

Digital Object Identifier: http://dx.doi.org/10.1016/j.jclinepi.2008.02.015

PubMed Identifier: 18632252

Publication URI: http://europepmc.org/abstract/MED/18632252

Type: Journal Article/Review

Volume: 62

Parent Publication: Journal of clinical epidemiology

Issue: 1

ISSN: 0895-4356