title: Letter to the editor: Does vitamin D improve osteoarthritis of the knee: a randomized controlled pilot trial.
authors.affiliation: Department of Orthopaedics and Traumatology, Nanfang Hospital, Southern Medical University, No.1838, Guangzhou Ave. North, Guangzhou, 510515, P.R. China.
authors.forename: Nan
authors.initials: N
authors.lastname: Jiang
authors.forename: Yan-jun
authors.initials: YJ
authors.lastname: Hu
authors.forename: Bin
authors.initials: B
authors.lastname: Yu
mesh_terms: D019587:Dietary Supplements; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000187:drug effects*; D008297:Male; D020370:Osteoarthritis, Knee / Q000188:drug therapy*; D014807:Vitamin D / Q000627:therapeutic use*; D014808:Vitamin D Deficiency / Q000188:drug therapy*
chemical_list: D014807:Vitamin D