Sex differences in the expression of the endocannabinoid system within V1M cortex and PAG of Sprague Dawley rats.

"Declarations Ethics approvalAll animal procedures were performed during the 12-h light cycle and according to the policies and recommendations of the International Association for the Study of Pain, the NIH guidelines for laboratory animals, with IACUC approval from the University of Arizona. Consent for publicationNot applicable. Competing interestsThe authors report no competing interests. Competing interests The authors report no competing interests."

"Funding This work was supported by grants from the National Institute of Neurological Disorders and Stroke (R01NS099292, TML) of the National Institutes of Health, Arizona Biomedical Research Commission (ABRC45952, TML), with monies from the Department of Pharmacology at the University of Arizona, the M.D.-Ph.D. Program at the University of Arizona, and the University of Arizona Comprehensive Pain and Addiction Center. Research reported in this publication was also supported by the National Cancer Institute of the National Institutes of Health under Award Number P30 CA023074. Authors are solely responsible for the content which does not necessarily represent the official views of the National Institutes of Health, the State of Arizona, or the University of Arizona."