Oswestry Disability Index

Qureshi N, Siconolfi D, Rodriguez A, Hays RD, Coulter ID, Herman PM. Comparing three measures of sleep disturbance in persons with chronic low back and[...]

DiGuiseppi GT, Edelen MO, Rodriguez A, Slaughter M, Hays RD, Zeng C, Coulter ID, Herman PM. Crosswalking Four Pain Impact Measures in a Nationally Representative[...]