Carvalho, A., 		Santos Costa, C., 		Correia, P., 		Magalhães, J., 		Brito, D., 		Martins, M., 		Longras, C., 		Santos, T., 		Castro, V., & 		Oliveira, J.
(2017).
 Gallbladder Agenesis: A Case Report of an intraoperative diagnosis.
<em>Revista Portuguesa De Cirurgia, </em>(43), 29 - 32.
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