Song, Pei-ze, Nan Wu, Cong Huo, and Xiao-ming Wang. 2023. “Correlation Analysis and Clinical Significance of Musculoskeletal Ultrasound Semi-Quantitative Grading With Bone Salt Metabolism, Rheumatoid Factor and Erythrocyte Sedimentation Rate in Patients With Rheumatoid Arthritis”. Pakistan Journal of Medical Sciences 39 (6). https://doi.org/10.12669/pjms.39.6.7144.