title: Questionnaires for Surgical Research: Not Always a Simple Option.
authors.affiliation: Imperial College, London, UK. Electronic address: j.powell@imperial.ac.uk.
authors.forename: Janet T
authors.initials: JT
authors.lastname: Powell
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D006801:Humans; D015203:Reproducibility of Results; D012107:Research Design; D013514:Surgical Procedures, Operative; D011795:Surveys and Questionnaires