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ROB2, risk of bias assessment of the included studies, and the summary of domains. The study conducted by C. Biegert et al. comprised two distinct trials. The first trial focused on osteoarthritis and was designated as “C Biegert 2004”. The second trial, which centered on rheumatoid arthritis, was labeled “C Biegert 2004′”. See refs. [34,35,36,37,38].
