http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Current Concepts on the Use of Aortic and Pulmonary Allografts for Heart Valve Subsitutes
edited by A. Charles Yankah, Roland Hetzer, D. Craig Miller, Donald Ross, Jane Somerville, Magdi H. Yacoub.