Ghiani, M.; Zhuleku, E.; Dillenseger, A.; Maywald, U.; Fuchs, A.; Wilke, T.; Ziemssen, T. Data Resource Profile: The Multiple Sclerosis Documentation System 3D and AOK PLUS Linked Database (MSDS-AOK PLUS). J. Clin. Med. 2023, 12, 1441.

Ness N-H, Schriefer D, Haase R, Ziemssen T. The Multiple Sclerosis Health Resource Utilization Survey. Fortschr Neurol Psychiatr 2022;90(1-2):42-48.

Schriefer D, Haase R, Ness N-H, Ziemssen T. Cost of illness in multiple sclerosis by disease characteristics–A review of reviews. Expert Rev Pharmacoecon Outcomes Res 2022;22(2):177-195.

Schriefer D, Ness N-H, Haase R, Ziemssen T. Gender disparities in health resource utilization in patients with relapsing–remitting multiple sclerosis: a prospective longitudinal real-world study with more than 2000 patients. Ther Adv Neurol Disord 2020;13.

Ness N-H, Haase R, Kern R, Schriefer D, Ettle B, Cornelissen C, et al. The multiple sclerosis health resource utilization survey (MS-HRS): Development and validation study. J Med Internet Res 2020;22(3).

Ness N-H, Schriefer D, Haase R, Ettle B, Cornelissen C, Ziemssen T. Differentiating societal costs of disability worsening in multiple sclerosis. J Neurol 2020;267(4):1035-1042.

Ness N-H, Schriefer D, Haase R, Ettle B, Ziemssen T. Correction to: Real-World Evidence on the Patterns of Increased Societal Economic Relapse Costs in Patients with Multiple Sclerosis (PharmacoEconomics, (2020), 38, 8, (883-892), 10.1007/s40273-020-00917-3). Pharmacoeconomics 2020;38(8):897.

Ness N-H, Schriefer D, Haase R, Ettle B, Ziemssen T. Real-World Evidence on the Societal Economic Relapse Costs in Patients with Multiple Sclerosis. Pharmacoeconomics 2020;38(8):883-892.