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Nicholson, William J.; Tuohy, Kathryn A.; Tilkemeier, Peter (April 24, 2003). "Twiddler's Syndrome". New England Journal of Medicine. 348 (17). Massachusetts Medical Society: 1726–1727. doi:10.1056/nejm200304243481722. ISSN0028-4793. PMID12711756.
Sharifi, Mohsen; Inbar, Shmuel; Neckels, Brenda; Shook, Heather (March 2005). "Twiddling to the extreme: development of twiddler syndrome in an implanted cardioverter-defibrilllator". The Journal of Invasive Cardiology. 17 (3): 195–196. PMID15867459.
Nicholson, William J.; Tuohy, Kathryn A.; Tilkemeier, Peter (April 24, 2003). "Twiddler's Syndrome". New England Journal of Medicine. 348 (17). Massachusetts Medical Society: 1726–1727. doi:10.1056/nejm200304243481722. ISSN0028-4793. PMID12711756.