title: Seasonal variations in serum levels of 25-hydroxyvitamin D in patients with systemic sclerosis.
authors.forename: Bruno
authors.initials: B
authors.lastname: Seriolo
authors.forename: Luigi
authors.initials: L
authors.lastname: Molfetta
authors.forename: Maurizio
authors.initials: M
authors.lastname: Cutolo
mesh_terms: D006801:Humans; D012595:Scleroderma, Systemic / Q000097:blood*; D012621:Seasons; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000097:blood
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D