title: Enzymatic theory of corneal ulceration---a beginning.
mesh_terms: D000818:Animals; D003094:Collagen / Q000378:metabolism*; D003315:Cornea / Q000201:enzymology; D003320:Corneal Ulcer / Q000201:enzymology* / Q000209:etiology / Q000503:physiopathology / Q000517:prevention & control; D006801:Humans; D003012:Microbial Collagenase / Q000037:antagonists & inhibitors; D008854:Microscopy, Electron
chemical_list: D003094:Collagen; D003012:Microbial Collagenase