Conservative Treatment of Keratoconus by Riboflavin-UVA-Induced Cross-Linking of Corneal Collagen: Qualitative Investigation of Corneal Epithelium and Subepithelial Nerve Plexus Regeneration by <i>in vivo</i> HRT II System Confocal Microscopy in HumansCosimo Mazzotta, Aldo Caporossi, Pietro Sergio et al.|European Journal of Ophthalmology|2006Cited by 80