1. Dacryocystography in obstructions of the lacrimal passages;Aakhus;Acta Radiol,1969
2. Oftalmo-radiologia normal y patologica;Aguilar,1972
3. The radiology of the lacrimal system;Campbell;Br J Radiol,1964
4. Clinical evaluation of microscintillography of the lacrimal drainage apparatus;Carlton;J Nuc Med,1973
5. Lo studio morfologico e funzionale delle vie lacrimali. Attuali tecniche radiologiche;Ciabattoni;Boll Ocul,1976