authors Markman, John D Farrar, John T Gewandter, Jennifer S Frazer, Maria E Pittman, Christine Cai, Xueya Kushang Patel, PhD, MPH Jahromi, Babak S Dworkin, Robert H Burke, Laurie B
has subject area Aged Aged, 80 and over Cross-Sectional Studies Disability Evaluation Exercise Test Female Humans Lumbar Vertebrae Male Middle Aged Outcome Assessment, Health Care Pain Measurement Severity of Illness Index Spinal Stenosis Surveys and Questionnaires Walking