Keratectasia after PTK.
Dean
Simon J
SJ
McGhee
Charles N J
CN
D017209:Apoptosis; D003316:Corneal Diseases / Q000209:etiology* / Q000473:pathology; D006801:Humans; D054018:Lasers, Excimer; D018903:Photorefractive Keratectomy / Q000009:adverse effects*