How the type of risk reduction influences required sample sizes in randomised clinical trials

Late neonatal lupus erythematosus onset in a child born of a mother with primary Sjögren’s syndrome
Gluten sensitivity masquerading as systemic lupus erythematosus
Diagnosis and follow up of aortitis in the elderly
Autoantibodies against phosphatidylserine-prothrombin complex in patients with systemic sclerosis

Weight changes and the risk of knee osteoarthritis requiring arthroplasty
The pustular skin lesions in Behçet’s syndrome are not sterile
High avidity anti-ß2-glycoprotein I antibodies in patients with antiphospholipid syndrome
Inequalities in access to knee joint replacements for people in need

How the type of risk reduction influences required sample sizes in randomised clinical trials
Dynamic exercises in patients with rheumatoid arthritis
Predictive factors of work disability in rheumatoid arthritis: a systematic literature review