Reparative operation for aortic valve incompetence by leaflet advancement with bovine pericardial: preliminary report

Hércules Lisboa Bongiovani; Paulo José de Freitas Ribeiro; Paulo Roberto Barbosa Evora; José Carlos Franco Brasil; Celso Luis dos Reis; Ricardo Nilsson Sgarbieri

DOI: 10.1590/S0102-76381988000200009 Publish in: August 2 2025