Hugo C. T. Siqueira et al. 2023. New Standardized Loco-Regional Anesthesia Based for Dacryocystorhinostomy: Role for Blunt Canula Ultrassonographic Guided. Research Developments in Medicine and Medical Science Vol. 2. (Mar. 2023), 17–27. DOI:https://doi.org/10.9734/bpi/rdmms/v2/18486D.