A cost-saving measure for ultrasound-guided musculoskeletal injections
Letter to the Editor
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Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
Approval by an ethics committee was not applicable in this letter to the editor.
For this letter to the editor formal consent is not required.
© Società Italiana di Ultrasonologia in Medicina e Biologia (SIUMB) 2018