Whither metrology?
D001172:Arthritis, Rheumatoid / Q000534:rehabilitation; D006801:Humans; D007596:Joints / Q000033:anatomy & histology; D009788:Occupational Therapy; D010353:Patient Education as Topic; D026741:Physical Therapy Modalities; D012219:Rheumatology / Q000639:trends*; D014894:Weights and Measures