1. Natural defense mechanisms of the ocular surface;Mannis,1996
2. Immune defense at the ocular surface;Akpek;Eye,2003
3. Normal ccular flora;Osato,1996
4. Conjunctival anaerobic and aerobic bacterial flora in paediatric versus adult subjects;Singer;Br J Ophthalmol,1988
5. Pathogenesis of ocular infection;O'Brien,1996