1. The radiology of the lacrimal system;Campbell;Br J Radiol,1964
2. Roentgen ray studies of the nasolacrimal passage;Campbell;Arch Ophthalmol,1922
3. Lacrimal scintillography: Advances and functional application;Doucet;Surv Ophthalmol,1982
4. Roentgen ray demonstration of the lacrimal abscess cavity;Ewing;Am J Ophthalmol,1909
5. Digital subtraction macrodacryocystography;Galloway;Ophthalmology,1984