Hugo C. T. Siqueira, Clarissa M. M. Stoffel de Siqueira, Marlon Miguel Bianchi de Lima & Leonardo T. C. Lins. New Standardized Loco-Regional Anesthesia Based for Dacryocystorhinostomy: Role for Blunt Canula Ultrassonographic Guided. RDMMS-V2 2023, 17-27.