Bronnen:
1. Poppelaars P, Van Tuyl LHD, Boers M. Mortality of the COBRA early rheumatoid arthritis trial cohort after 23 years follow up. EULAR 2018, abstract OP0015.,2. Boers M, Verhoeven AC, Markusse HM, et al. Randomised comparison of combined step-down prednisolone, methotrexate and sulphasalazine with sulphasalazine alone in early rheumatoid arthritis. Lancet. 1997;350:309-18.,3. Van Tuyl LH, Boers M, Lems WF, et al. Survival, comorbidities and joint damage 11 years after the COBRA combination therapy trial in early rheumatoid arthritis. Ann Rheum Dis. 2010;69:807-12.
1. Poppelaars P, Van Tuyl LHD, Boers M. Mortality of the COBRA early rheumatoid arthritis trial cohort after 23 years follow up. EULAR 2018, abstract OP0015.,2. Boers M, Verhoeven AC, Markusse HM, et al. Randomised comparison of combined step-down prednisolone, methotrexate and sulphasalazine with sulphasalazine alone in early rheumatoid arthritis. Lancet. 1997;350:309-18.,3. Van Tuyl LH, Boers M, Lems WF, et al. Survival, comorbidities and joint damage 11 years after the COBRA combination therapy trial in early rheumatoid arthritis. Ann Rheum Dis. 2010;69:807-12.