TY - GEN AU - Ustün,Bedirhan AU - Kennedy,Cille TI - What is "functional impairment"? Disentangling disability from clinical significance SN - 1723-8617 PY - 2011///1110 N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/j.2051-5545.2009.tb00219.x ER -