Analysis of the combined effect of lasers of different wavelengths for PDT outcome using 600, 630, and 660 nm - Atif, M.; Fakhar-e-Alam, M.; Sabino, L. G.; Ikram, M.; Kurachi, Cristina; Bagnato, Vanderlei Salvador; AlSalhi, M. S. (Laser Physics Letters, 2011)