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Prattico F, Perfetti P (July 2006). "Images in clinical medicine. Frey's syndrome". The New England Journal of Medicine. 355 (1): 66. doi:10.1056/NEJMicm040462. PMID16822997.
"Frey's syndrome". Genetic and Rare Diseases Information Center (GARD). National Institutes of Health, U.S. Department of Health & Human Services. 2011. Archived from the original on 9 March 2013. Retrieved 17 December 2012.
"Frey Syndrome". NORD (National Organization for Rare Disorders). Retrieved 2019-01-26.
web.archive.org
"Frey's syndrome". Genetic and Rare Diseases Information Center (GARD). National Institutes of Health, U.S. Department of Health & Human Services. 2011. Archived from the original on 9 March 2013. Retrieved 17 December 2012.