@book{1539,
	author = {John W. Graef and Graef, John W.,},
	title = {Manual of pediatric therapeutics},
	publisher = {Little, Brown and Co.},
	year = {1980},
	address = {Boston},
	edition = {2nd edition},
	url = {https://www.amazon.com/Manual-Pediatric-Therapeutics-Joseph-Wolfsdorf/dp/0781771668}
}