Current Rheumatology Reports

, Volume 5, Issue 6, pp 409–412

Threats to validity of observational studies on disease-modifying antirheumatic drug therapies for rheumatoid arthritis: New aspects after the fall of the pyramid and the rise of new therapeutics

  • Daniel Aletaha
  • Josef S. Smolen
Invited Commentary

DOI: 10.1007/s11926-003-0048-y

Cite this article as:
Aletaha, D. & Smolen, J.S. Curr Rheumatol Rep (2003) 5: 409. doi:10.1007/s11926-003-0048-y

Copyright information

© Current Science Inc 2003

Authors and Affiliations

  • Daniel Aletaha
    • 1
  • Josef S. Smolen
  1. 1.Division of Rheumatology, Department of Internal Medicine IIIUniversity of Vienna, Vienna General HospitalViennaAustria

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