Broda , M., Michalik , M., Białas , D. and Różycki , R. 2018. Laser dacryocystorhinostomy – the lasers use in treatment of lacrimal duct obstruction. OphthaTherapy. Therapies in Ophthalmology. 5, 2 (Jun. 2018), 109-113. DOI:https://doi.org/10.24292/01.OT.290618.08.