Medicine
Lupus nephritis
Internal medicine
Rheumatology
Cyclophosphamide
Systemic lupus erythematosus
Mycophenolate
Population
Retrospective cohort study
Mycophenolic acid
Single Center
Lupus erythematosus
Hydroxychloroquine
Dermatology
Immunology
Chemotherapy
Transplantation
Disease
Environmental health
Antibody
Coronavirus disease 2019 (COVID-19)
Infectious disease (medical specialty)
