TY  - RPRT
TI  - Defining patient-reported outcomes.
AU  - Lynda C Doward
AU  - Stephen P McKenna
DO  - 10.1111/j.1524-4733.2004.7s102.x
UR  - https://pubmed.ncbi.nlm.nih.gov/15367236/
ID  - 15367236
ER  -