Isaac Hays: nineteenth-century pioneer in ophthalmology.
Morgenstern
Leon
L
Center for Health Care Ethics, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.
D000574:American Medical Association / Q000266:history; D049672:History, 19th Century; D006801:Humans; D009885:Ophthalmology / Q000266:history*; D014481:United States