<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Athanasopoulos, Leonidas</style></author><author><style face="normal" font="default" size="100%">Dritsas, Athanasios</style></author><author><style face="normal" font="default" size="100%">Tsakalou, Marianthi</style></author><author><style face="normal" font="default" size="100%">Cokkinos, Dennis</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Relationships between changes in time of quality of life and changes in time of the results of cardiopulmonary exercise test and echocar-diography at a follow-up of patients with heart failure</style></title><secondary-title><style face="normal" font="default" size="100%">Archives of Cardiovascular Diseases Supplements</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2010</style></year></dates><volume><style face="normal" font="default" size="100%">2</style></volume><pages><style face="normal" font="default" size="100%">22–38</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>