Media type: E-Article Title: Photo-Activated Riboflavin Therapy of Refractory Corneal Ulcers Contributor: Panda, Anita; Krishna, Sasikala N.; Kumar, Sandeep Published: Ovid Technologies (Wolters Kluwer Health), 2012 Published in: Cornea, 31 (2012) 10, Seite 1210-1213 Language: English DOI: 10.1097/ico.0b013e31823f8f48 ISSN: 0277-3740 Origination: Footnote: