@book{39224,
	author = {Rom, William N.},
	title = {Environmental and occupational medicine /},
	publisher = {Wolters Kluwer/Lippincott Williams & Wilkins,},
	year = {c2007.},
	address = {Philadelphia :},
	edition = {4th ed.},
	note = {Rev. ed. of: Environmental & occupational medicine.},
	url = {http://www.loc.gov/catdir/toc/ecip071/2006030425.html}
}