Arthritis Research & Therapy

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Persistence with anti-tumour necrosis factor therapies in patients with psoriatic arthritis: observational study from the British Society of Rheumatology Biologics Register

Amr A Saad, Darren M Ashcroft*, Kath D Watson, Kimme L Hyrich, Peter R Noyce, Deborah PM Symmons and the British Society for Rheumatology Biologics Register

Arthritis Research & Therapy 2009, 11:R52 doi:10.1186/ar2670


See related editorial by Aletaha et al., http://arthritis-research.com/content/11/3/112

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