Jiang, T., Yang, T., Zhang, W., Doherty, M., Zhang, Y., Wei, J., …Lei, G. (2021). Prevalence of ultrasound-detected knee synovial abnormalities in a middle-aged and older general population—the Xiangya Osteoarthritis Study. Arthritis Research and Therapy, 23(1), Article 156. https://doi.org/10.1186/s13075-021-02539-2