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2000: N Preschel; David R Hardten; Richard L Lindstrom
LASIK after penetrating keratoplasty.
International ophthalmology clinics 2000;40(3):111-23.
1999: N Preschel; David R Hardten
Management of coincident corneal disease and cataract.
Current opinion in ophthalmology 1999;10(1):59-65.
1999: Richard L Lindstrom; David R Hardten; D M Houtman; B Witte; N Preschel; YR Chu; Thomas W Samuelson; EJ Linebarger
Six-month results of hyperopic and astigmatic LASIK in eyes with primary and secondary hyperopia.
Transactions of the American Ophthalmological Society 1999;97():241-55; discussion 255-60.
1998: N Preschel; David R Hardten
Management of coincidental corneal disease and cataract.
Current opinion in ophthalmology 1998;9(1):39-45.