Salvage brachytherapy for locally recurrent prostate cancer after single-fraction 19 Gy high-dose-rate brachytherapy: toxicity, prostate-specific antigen kinetics, and cancer control - Mayrata, Esther; Espinosa, Jose Maria; Büchser, David; Casquero, Francisco; Suárez, Fernan; González, Alba; Minguez, Pablo; Fernando Pérez, Jose; San Miguel, Iñigo; Cacicedo, Jon; Gómez-Iturriaga, Alfonso (Journal of Contemporary Brachytherapy, 2021)