Serious infections during anti-TNFα treatment in rheumatoid arthritis patients

Adalimumab; Anti-TNFα; Etanercept; Infection; Infliximab; Rheumatoid arthritis; Safety; Adalimumab; Adrenal Cortex Hormones; Age Factors; Aged; Antibodies, Monoclonal; Antibodies, Monoclonal, Humanized; Arthritis, Rheumatoid; Drug Therapy, Combination; Etanercept; Female; Follow-Up Studies; Humans; Immunoglobulin G; Immunosuppression; Incidence; Infliximab; Italy; Male; Middle Aged; Opportunistic Infections; Radiography, Thoracic; Receptors, Tumor Necrosis Factor; Risk Factors; Shock, Septic; Skin Tests; Tuberculosis; Tumor Necrosis Factor-alpha; Immunology; Immunology and Allergy