title: Questionnaires and postal research: more than just high response rates.
authors: G D
authors: GD
authors: Eslick
authors: S C
authors: SC
authors: Howell
mesh_terms: D003219:Confidentiality; D006801:Humans; D007258:Informed Consent; D011177:Postal Service; D012107:Research Design; D011795:Surveys and Questionnaires