Ferreira, Cátia, 		Melo, A., 		Silva, S., 		Lage, J., 		Próspero, F., 		Pinto, B., 		Ribeiro, A., AND 		Oliveira, A..
" Ruptured biliary cyst with biliary peritonitis – a case report" <em>Revista Portuguesa de Cirurgia</em> [Online],  Number 44 (8 September 2018)