@misc{Food and Drug Administration2009,
author = {Food and Drug Administration},
title= {Guidance for industry on patient-reported outcome measures: use in medicinal product development to support labeling claims},
year = {2009},
URL = {http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm071975.pdf},
address = {Rockville, MD},
}