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Published byΕύανδρος Φιλιππίδης Modified over 5 years ago
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Clinical validation of an Internet-based questionnaire for ascertaining hip and knee osteoarthritis
C. Ratzlaff, M. Koehoorn, J. Cibere, J. Kopec Osteoarthritis and Cartilage Volume 20, Issue 12, Pages (December 2012) DOI: /j.joca Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions
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Fig. 1 Subject recruitment.
Osteoarthritis and Cartilage , DOI: ( /j.joca ) Copyright © 2012 Osteoarthritis Research Society International Terms and Conditions
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