title: Interpreting scores on multiple sclerosis-specific patient reported outcome measures (the PRIMUS and U-FIS).
authors.affiliation: Galen Research Ltd, Manchester, UK. JTwiss@Galen-Research.com
authors.forename: James
authors.initials: J
authors.lastname: Twiss
authors.forename: Lynda C
authors.initials: LC
authors.lastname: Doward
authors.forename: Stephen P
authors.initials: SP
authors.lastname: McKenna
authors.forename: Benjamin
authors.initials: B
authors.lastname: Eckert