Long-Term Follow-Up Evaluation of Efficacy in Alpha-Emitting Radiation Therapy on Recurrent and Locally Advanced Squamous Cell Carcinomas in Multi-Center Clinical Study. - Kurman, N.; Mizrachi, A.; Rosenfeld, E.; Ben-Hur, R.; Feliciani, G.; Bellia, S.R.; Sarnelli, A.; Keisari, Y.; Kelson, I.; Den, R.B.; Popovtzer, A. (International Journal of Radiation Oncology, Biology, Physics, 2022)