O. Kayes, CY. Li, A. Spillings, D. Ralph. Frenular grafting: an alternative to circumcision in men with a combination of tight frenulum and phimosis.. „J Sex Med”. 4 (4 Pt 1), s. 1070-3, Jul 2007. DOI: 10.1111/j.1743-6109.2007.00478.x. PMID: 17451486.
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K. Spilsbury, JB. Semmens, ZS. Wisniewski, CD. Holman. Circumcision for phimosis and other medical indications in Western Australian boys.. „Med J Aust”. 178 (4), s. 155-8, Feb 2003. PMID: 12580740.
O. Kayes, CY. Li, A. Spillings, D. Ralph. Frenular grafting: an alternative to circumcision in men with a combination of tight frenulum and phimosis.. „J Sex Med”. 4 (4 Pt 1), s. 1070-3, Jul 2007. DOI: 10.1111/j.1743-6109.2007.00478.x. PMID: 17451486.