Pomerantzeff, Pablo Maria Alberto, Carlos Manuel de Almeida Brandão, João Marcelo Ancilon Albuquerque, Paola Yastrevov Pomerantzeff, Flavio Takeda, and Sergio A. Oliveira. 2005. “ Mitral Valve Annuloplasty With a Bovine Pericardial Strip - 18-Year Results ”. Clinics 60 (4): 305-10. https://doi.org/10.1590/S1807-59322005000400008.