Fullformexpand.com, 2026. "PANDO." Accessed February 28, 2026. https://www.fullformexpand.com/pando/primary-acquired-nasolacrimal-duct-obstruction.
"PANDO." (n.d.). Fullformexpand.com. Retrieved February 28, 2026, from https://www.fullformexpand.com/pando/primary-acquired-nasolacrimal-duct-obstruction.
PANDO. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/pando/primary-acquired-nasolacrimal-duct-obstruction (Accessed: 28 February 2026).