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Iron status and helicobacter pylori infection in symptomatic children: an international multi-centered study
(PUBLIC LIBRARY SCIENCE, 2013)
Digital vasculitis survey in 852 childhood-onset systemic lupus erythematosus patients: a multicenter cohort study
(Clinical & Exper Rheumatology, 2015-05-01)
A multicenter case-control study on predictive factors distinguishing childhood leukemia from juvenile rheumatoid arthritis
(Sociedad Uruguaya de Pediatría, 2006)