Conference Proceedings

Presenteeism Predicts Sick Leave Better Than Basdai and/Or BASFI In A Longitudinal Cohort Of Patients With Ankylosing Spondylitis (EASIC)

Thi Vinh Nguyen Thien, An Tran-Duy, Frank Heldmann, Juergen Braun, Herbert Thijs, Annelies Boonen

ARTHRITIS AND RHEUMATISM | WILEY | Published : 2013