Opioids and fibromyalgia: frequency of use and factors associated with increased consumption in patients remitted to a tertiary care center.
Journal Information
Journal Title: BMC Musculoskelet Disord
Detailed journal information not available.
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"Declarations Ethics approval and consent to participateThis study was performed in accordance with the ethical standards of the responsible committee on human experimentation and the Helsinki Declaration of 1975, as revised in 2013. All data were anonymized, and the study was approved by the Ethics Committee of Hospital General Universitario Gregorio Marañón (08/2021; April 6th, 2021), Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM). Madrid. Spain.Informed consent was obtained from all subjects before to the study. Consent for publicationNot Applicable. Competing interestsThe authors declare that there are no conflicts of interests. Competing interests The authors declare that there are no conflicts of interests."
"Funding No funding for this manuscript."
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Last Updated: Aug 05, 2025