Questions on randomised trials by Dionigi and coworkers

Letter to the Editor
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Notes

Conflicts of interest

None.

Supplementary material

423_2012_1013_MOESM1_ESM.pdf (258 kb)
ESM 1 (PDF 257 kb)

References

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    Dionigi G, Boni L, Rausei S, Frattini F, Ferrari CC, Mangano A, Leotta A, Franchin M (2012) The safety of energy-based devices in open thyroidectomy: a prospective, randomised study comparing the LigaSure™ (LF1212) and the Harmonic® FOCUS. Langenbecks Arch Surg 397(5):817–823PubMedCrossRefGoogle Scholar
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    Dionigi G, Van Slycke S, Rausei S, Boni L, Dionigi R (2012) Parathyroid function after open thyroidectomy: a prospective randomized study for LigaSure Precise versus Harmonic FOCUS. Head Neck. doi: 10.1002/hed.23005
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    Schulz KF, Altman DG, Moher D, Group CONSORT (2010) CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials. Trials 11:32PubMedCrossRefGoogle Scholar
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    Anonymous (1969) Definition of “sole contribution”. N Engl J Med 281(12):676–677CrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Institute for Quality and Efficiency in Healthcare (IQWiG)CologneGermany

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