Carvalho, Nuno, 		Vidal, Helena, 		Lebre, Rui, 		Fernandes, Victoe, 		Brito, Maria, AND 		Gíria, João.
" Tail gut cyst: A case report and literature revue" <em>Revista Portuguesa de Cirurgia</em> [Online],  Number 11 (27 December 2009)