@book {1766,
	title = {The Physician as a Moral Force in American History},
	year = {1982},
	pages = {3},
	publisher = {D. Reidel},
	organization = {D. Reidel},
	address = {Boston},
	author = {John Duffy}
}
@book {2525,
	title = {Slavery and Slave Health in Louisiana: 1766-1825},
	year = {1967},
	pages = {6},
	publisher = {Tulane University},
	organization = {Tulane University},
	address = {[New Orleans},
	author = {John Duffy}
}
