The need for thorough literature search.
Mackman
G S
GS
D003316:Corneal Diseases / Q000209:etiology; D006099:Granuloma / Q000209:etiology; D006801:Humans; D015948:Keratoplasty, Penetrating / Q000009:adverse effects; D009885:Ophthalmology; D010380:Peer Review / Q000592:standards; D010506:Periodicals as Topic