<?xml version='1.0' encoding='UTF-8'?><xml><records><record><source-app name="HighWire" version="7.x">Drupal-HighWire</source-app><ref-type name="Journal Article">17</ref-type><contributors><authors></authors><secondary-authors><author><style face="normal" font="default" size="100%">Borer, Jeffrey S.</style></author><author><style face="normal" font="default" size="100%">Palacios, Igor F.</style></author><author><style face="normal" font="default" size="100%">O'Gara, Patrick</style></author><author><style face="normal" font="default" size="100%">Connolly, Heidi</style></author><author><style face="normal" font="default" size="100%">Rajamannan, Nalini</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Updates on Valvular Heart Disease</style></title><secondary-title><style face="normal" font="default" size="100%">MD Conference Express</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2005</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2005-12-01 00:00:00</style></date></pub-dates></dates><pages><style  face="normal" font="default" size="100%">10-12</style></pages><abstract><style  face="normal" font="default" size="100%">Aortic regurgitation (AR) suffers from sparse data, according to Jeffrey S. Boyer, MD, of the Weill Medical College of Cornell University in New York, NY. “AR has been studied less than any other form of valvular heart disease,” he said.</style></abstract><number><style face="normal" font="default" size="100%">1</style></number><volume><style face="normal" font="default" size="100%">5</style></volume></record></records></xml>