Vilaça, Jaime, 		Lencastre, Luís, 		Miranda, Francisco, 		Cabral, Jorge, AND 		Fonte Boa, Ana.
" LAPAROSCOPY AT MINIMAL COST – PROSPECTIVE OBSERVATIONAL STUDY OF 100 CONSECUTIVE CHOLECYSTECTOMIES" <em>Revista Portuguesa de Cirurgia</em> [Online],  Number 49 (20 January 2021)