title: Patient reported trial outcomes. What about the cost to use the measures?
authors.forename: Jens M
authors.initials: JM
authors.lastname: Lauritsen
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics*; D005249:Fees and Charges; D017063:Outcome Assessment, Health Care / Q000191:economics; D011795:Surveys and Questionnaires / Q000191:economics*