Avolio, Luigi; Martucciello, Giuseppe (25 June 2009). "Ingested Magnets". New England Journal of Medicine. 360 (26): 2770. doi:10.1056/NEJMicm0801917. PMID19553650.
Rahman, N. U.; Elliott, S. P.; McAninch, J. W. (2004). "Self-inflicted male urethral foreign body insertion: endoscopic management and complications". BJU International. 94 (7): 1051–1053. doi:10.1111/j.1464-410X.2004.05103.x. PMID15541127. S2CID38657876.
Avolio, Luigi; Martucciello, Giuseppe (25 June 2009). "Ingested Magnets". New England Journal of Medicine. 360 (26): 2770. doi:10.1056/NEJMicm0801917. PMID19553650.
Rahman, N. U.; Elliott, S. P.; McAninch, J. W. (2004). "Self-inflicted male urethral foreign body insertion: endoscopic management and complications". BJU International. 94 (7): 1051–1053. doi:10.1111/j.1464-410X.2004.05103.x. PMID15541127. S2CID38657876.
Rahman, N. U.; Elliott, S. P.; McAninch, J. W. (2004). "Self-inflicted male urethral foreign body insertion: endoscopic management and complications". BJU International. 94 (7): 1051–1053. doi:10.1111/j.1464-410X.2004.05103.x. PMID15541127. S2CID38657876.