I. Klaassen

Most-cited papers

1. Antenatal oligohydramnios of renal origin: long-term outcome.

   I. Klaassen, T. Neuhaus, D. Mueller-Wiefel, M. Kemper

   2006Nephrology, Dialysis and Transplantation90 citations Open access

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2. Fibroblast growth factor 23 and bone metabolism in children with chronic kidney disease.

   M. van Husen, Ann-Katrin Fischer, A. Lehnhardt, I. Klaassen +3 more

   2010Kidney International78 citations Open access

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3. Changes of Lymphocyte Populations in Pediatric Steroid-Sensitive Nephrotic Syndrome Are More Pronounced in Remission than in Relapse

   M. Kemper, K. Zepf, I. Klaassen, A. Link +1 more

   2005American Journal of Nephrology39 citations

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4. Response to cyclosporine in steroid-resistant nephrotic syndrome: discontinuation is possible

   I. Klaassen, Bünyamin Özgören, C. E. Sadowski, Kristina F. Möller +7 more

   2015Pediatric nephrology (Berlin, West)36 citations

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5. Surgical aspects and outcome of combined liver and kidney transplantation in children

   U. Herden, M. Kemper, R. Ganschow, I. Klaassen +4 more

   2011Transplant International24 citations

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6. Estimated one‐yr glomerular filtration rate is an excellent predictor of long‐term graft survival in pediatric first kidney transplants

   J. Muscheites, M. Wigger, E. Drueckler, I. Klaassen +7 more

   2009Pediatric Transplantation18 citations

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7. [Autosomal recessive polycystic kidney disease (ARPKD)].

   A. Diemert, I. Klaassen, Markus J Kemper, K. Hecher +1 more

   2013Zeitschrift für Geburtshilfe und Neonatologie14 citations

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8. High serum adiponectin concentration in children with chronic kidney disease

   Kristina F. Möller, Christina Dieterman, L. Herich, I. Klaassen +2 more

   2012Pediatric nephrology (Berlin, West)8 citations

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9. Inherited Thrombotic Thrombocytopenic Purpura (Upshaw Schulman Syndrome) as Differential Diagnosis to Neonatal Septicaemia with Disseminated Intravascular Coagulation – a Case Series

   K. Lehmberg, W. Hassenpflug, I. Klaassen, G. Hillebrand +4 more

   2016Zeitschrift für Geburtshilfe und Neonatologie6 citations

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10. Osteoprotegerin (OPG) and receptor activator of nuclear factor kappab ligand (RANKL) in pediatric chronic kidney disease (CKD)

    M. van Husen, Ann-Katrin Fischer, I. Klaassen, A. Lehnhardt +3 more

    20091 citations

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11. [Neonatal primary care -- "atypical intubation" in tracheal agenesie].

    M. Wolf, I. Klaassen, K. Reinshagen, J. Hermann +1 more

    2014Zeitschrift für Geburtshilfe und Neonatologie0 citations

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12. Bone Metabolism and Fibroblast Growth Factor 23 (Fgf23) After Pediatric Renal Transplantation (Prt): 638

    M. van Husen, Ann-Katrin Fischer, I. Klaassen, A. Lehnhardt +3 more

    20100 citations Open access

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13. Long-term follow-up of antenatal oligohydramnios of renal origin (ROH)

    I. Klaassen, G. Laube, T. Neuhaus, E. Harps +2 more

    20080 citations

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