First-time prescriptions of biological diseasemodifying antirheumatic drugs in rheumatoid arthritis, psoriatic arthritis and axial spondyloarthritis 2002-2011: Data from the NOR-DMARD register
A Norwegian DMARD register: Prescriptions of DMARDs and biological agents to patients with inflammatory rheumatic diseases
Kvien TK, Heiberg, Lie E, et al. A Norwegian DMARD register: prescriptions of DMARDs and biological agents to patients with inflammatory rheumatic diseases. Clin Exp Rheumatol 2005;23:S188-94.
The prevalence and severity of rheumatoid arthritis in Oslo. Results from a county register and a population survey
Kvien TK, Glennas A, Knudsrod OG, et al. The prevalence and severity of rheumatoid arthritis in Oslo. Results from a county register and a population survey. Scand J Rheumatol 1997;26:412-8.
Prevalence, disease manifestations, and treatment of psoriatic arthritis in Western Norway
Madland TM, Apalset EM, Johannessen AE, et al. Prevalence, disease manifestations, and treatment of psoriatic arthritis in Western Norway. J Rheumatol 2005;32:1918-22.
Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis
Prevoo ML, van't Hof MA, Kuper HH, et al. Modified disease activity scores that include twenty-eight-joint counts. Development and validation in a prospective longitudinal study of patients with rheumatoid arthritis. Arthritis Rheum 1995;38:44-8.
ASDAS, a highly discriminatory ASAS-endorsed disease activity score in patients with ankylosing spondylitis
van der Heijde D, Lie E, Kvien TK, et al. ASDAS, a highly discriminatory ASAS-endorsed disease activity score in patients with ankylosing spondylitis. Ann Rheum Dis 2009;68:1811-8.
Ankylosing Spondylitis Disease Activity Score (ASDAS): Defining cut-off values for disease activity states and improvement scores
Machado P, Landewe R, Lie E, et al. Ankylosing Spondylitis Disease Activity Score (ASDAS): defining cut-off values for disease activity states and improvement scores. nn Rheum Dis 2011;70:47-53.