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[Dr. John Klippel of the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) examines and measures the extension of the fingers of a patient with lupus]
[Dr. John Klippel of the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) examines and measures the extension of the fingers of a patient with lupus]