1. Radionuclide dacryocystography;Jedrzynski;Orbit,1998
2. Lacrimal ultrasonography;Jedrzynski;Ophthalmic Plast Reconstr Surg,1994
3. Duochrome test for lacrimal evaluation in children;Bullock;Ophthalmic Plast Reconstr Surg,1986
4. Pediatric lacrimal disorders;Purdy;Pediatric Forum,1992
5. Lacrimal sac diverticuli;Bullock;Arch Ophthalmol,1989