title: Vitamin D Levels and Associations With Disease Activity in Chinese Han Patients With Early Rheumatoid Arthritis.
authors.affiliation: Division of Rheumatology Department of Medicine Shanxi Medical University The Second Hospital of Shanxi Medical University Taiyuan, Shanxi Province, China wenhongyan0509@aliyun.com.
authors.forename: Hong-yan
authors.initials: HY
authors.lastname: Wen
authors.forename: Jing
authors.initials: J
authors.lastname: Luo
authors.forename: Xiao-feng
authors.initials: XF
authors.lastname: Li
mesh_terms: D001172:Arthritis, Rheumatoid / Q000503:physiopathology* / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000502:physiology*; D011788:Quality of Life / Q000523:psychology*; D012720:Severity of Illness Index; D014807:Vitamin D / Q000097:blood*; D014808:Vitamin D Deficiency / Q000150:complications*
chemical_list: D014807:Vitamin D