TY  - ELEC
A1  - Food and Drug Administration
T1  - Guidance for industry on patient-reported outcome measures: use in medicinal product development to support labeling claims
Y1  - 2009
UR  - http://www.fda.gov/downloads/Drugs/GuidanceComplianceRegulatoryInformation/Guidances/ucm071975.pdf
CY  - Rockville, MD

ER  -