1. Long term review of injuries to the lacrimal drainage apparatus;Canavan;Trans Ophthalmol Soc UK,1979
2. Silicone intubation for lacerated lacrimal canaliculi;Dortzbach;Ophthalmic Surg,1985
3. Lacrimal function;Jones;Am J Ophthalmol,1972
4. General measures in management of the dry eye;Lemp;Int Ophthalmol Clin,1987
5. How do tears exit;Lemp;Invest Ophthalmol Vis Sci,1983