P. M. A. Pomerantzeff, C. M. de A. Brandão, J. M. A. Albuquerque, P. Y. Pomerantzeff, F. Takeda, and S. A. Oliveira, “ Mitral valve annuloplasty with a bovine pericardial strip - 18-year results ”, Clinics, vol. 60, no. 4, pp. 305–310, Aug. 2005, doi: 10.1590/S1807-59322005000400008.