B lymphocyte stimulator levels in systemic lupus erythematosus: higher circulating levels in African American patients and increased production after influenza vaccination in patients with low baseline levels.
Identification of novel genetic susceptibility loci in African American lupus patients in a candidate gene association study.
Vitamin D deficiency is associated with an increased autoimmune response in healthy individuals and in patients with systemic lupus erythematosus.
Influenza vaccination responses in human systemic lupus erythematosus: impact of clinical and demographic features.
