223 Serum 25-hydroxyvitamin d3 levels and clinical course of systemic lupus erythematosus : a cross sectional retrospective cohort study in a referral centre
SLE Organ manifestations: clinical and pathogenesis
223 Serum 25-hydroxyvitamin d3 levels and clinical course of systemic lupus erythematosus : a cross sectional retrospective cohort study in a referral centre