%0 Journal Article %T Comparison of Vitamin D Serum Values between Rheumatoid Arthritis and Lupus Populations: An Observational Study %J Archive of "The Open Rheumatology Journal". %D 2018 %R 10.2174/1874312901812010124 %X Comparison of Vitamin D Serum Values between Rheumatoid Arthritis and Lupus Populations: An Observational Stud %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6120101/