Media type: E-Article Title: Collagen Shields Contributor: Johnston, William H.; Wellish, Kent L.; Beltran, Francisco; Mondino, Bartly J. Published: Ovid Technologies (Wolters Kluwer Health), 1993 Published in: International Ophthalmology Clinics, 33 (1993) 4, Seite 93-107 Language: English DOI: 10.1097/00004397-199303340-00010 ISSN: 0020-8167 Keywords: Ophthalmology Origination: Footnote: