Lacrimal sac massage for congenital nasolacrimal duct obstruction: a multicentre randomised controlled trial.
Mizuki AsanoMasaki TakeuchiTomoko OhnoJutaro NakamuraNobuhisa MizukiNozomi MatsumuraPublished in: The British journal of ophthalmology (2024)
UMIN Clinical Trial Registry (UMIN000032840; www.umin.ac.jp/).