"Person"@en . "Person"@en . "Ophthalmology"@en . . . . . "Pflugfelder, Stephen C."@en . . . _:b1 . _:b1 "initial version"@en . _:b1 "2017-11-22T08:11:03-06:00" . _:b1 "Diana Dulek" . _:b2 . _:b2 "Added related term \"Ophthalmology.\""@en . _:b2 "Laura Ramirez" . _:b2 "2018-05-02T14:02:22-05:00" . "Source: University of Houston Electronic Theses and Dissertations."@en . . . .