title: Commentary: Improving response rates to mailed surveys: what do we learn from randomized controlled trials?
authors.affiliation: Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA, USA.
authors.forename: Scott D
authors.initials: SD
authors.lastname: Halpern
authors.forename: David A
authors.initials: DA
authors.lastname: Asch
mesh_terms: D003625:Data Collection; D005104:Expert Testimony; D019538:Health Care Surveys / Q000379:methods*; D006801:Humans; D009042:Motivation; D010820:Physicians; D016032:Randomized Controlled Trials as Topic; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires