@article {Cooper:February 1997:0003-4975:312,
	author = "Cooper M.",
	title = "The History of Surgical Procedures for Emphysema",
	journal = "The Annals of Thoracic Surgery",
	volume = "63",
	year = "February 1997",
	abstract = "",
	pages = "312-319(8)",
	url = "http://www.ingentaconnect.com/content/els/00034975/1997/00000063/00000002/art01227"
	doi = "doi:10.1016/S0003-4975(96)01227-1"
}