@book{38649,
	author = {Gifford, Sanford Robinson, and Vail, Derrick Tilton, 1898-},
	title = {A hand-book of ocular therapeutics,},
	publisher = {Lea & Febiger,},
	year = { 1947.},
	address = {Philadelphia,},
	edition = {4th ed., thoroughly rev.},
	note = {Cover title: Gifford's Ocular therapeutics.}
}