Lucas, Rita, 		Amaral, Patrícia, 		Ladeira, Catarina, 		Lourenço, João, 		Vieira, Luís, 		Martins, Francisco, AND 		Marques, Ângela.
" Percutaneous liver biopsy in oncologic patients – a case report" <em>Revista Portuguesa de Cirurgia</em> [Online],  Number 28 (21 March 2014)