Carvalho, Nuno, 		Lebre, Rui, 		Santos, Carlos, 		Gonçalves, José, 		Santos, Cristina, AND 		Gíria, João.
" Cystic tumours of the pancreas: Diagnosis and Treatment" <em>Revista Portuguesa de Cirurgia</em> [Online],  Number 5 (28 June 2008)