@book{90215,
	author = {Phelan, Earl W.,},
	title = {Radioisotopes in Medicine},
	publisher = {Project Gutenberg,},
	year = {2015},
	series = {Understanding the atom},
	address = {Salt Lake City, UT :},
	note = {Release date is 2015-07-06},
	url = {https://www.gutenberg.org/ebooks/49377}
}