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Wirth, W., S. Maschek, F.W Roemer, L. Sharma, G. N. Duda, i F. Eckstein. "RADIOGRAPHICALLY NORMAL KNEES WITH CONTRALATERAL JOINT SPACE NARROWING DISPLAY GREATER CHANGE IN CARTILAGE TRANSVERSE RELAXTION TIME THAN THOSE WITH NORMAL CONTRALATERAL KNEES: A MODEL OF EARLY OA? – DATA FROM THE OSTEOARTHRITIS INITIATIVE." Osteoarthritis Cartilage 2019.

Wirth, W., et al. "RADIOGRAPHICALLY NORMAL KNEES WITH CONTRALATERAL JOINT SPACE NARROWING DISPLAY GREATER CHANGE IN CARTILAGE TRANSVERSE RELAXTION TIME THAN THOSE WITH NORMAL CONTRALATERAL KNEES: A MODEL OF EARLY OA? – DATA FROM THE OSTEOARTHRITIS INITIATIVE." Osteoarthritis Cartilage 2019.