title: The role of tacrolimus in the step-up induction therapy of refractory childhood-onset lupus nephritis.
authors.affiliation: Pediatric Immunology and Rheumatology Referral Center, 1 Department of Paediatrics, Medical School, Aristotle University of Thessaloniki, Greece.
authors.forename: A
authors.initials: A
authors.lastname: Chatzidimitriou
authors.affiliation: Pediatric Immunology and Rheumatology Referral Center, 1 Department of Paediatrics, Medical School, Aristotle University of Thessaloniki, Greece.
authors.forename: M
authors.initials: M
authors.lastname: Trachana
authors.affiliation: Pediatric Immunology and Rheumatology Referral Center, 1 Department of Paediatrics, Medical School, Aristotle University of Thessaloniki, Greece.
authors.forename: P
authors.initials: P
authors.lastname: Pratsidou-Gertsi
keywords: Pediatric lupus nephritis; resistant nephritis; tacrolimus