<?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%">Rui-Ping Xiao</style></author><author><style face="normal" font="default" size="100%">Sheng-Jun Zhang</style></author><author><style face="normal" font="default" size="100%">Khalid Chakir</style></author><author><style face="normal" font="default" size="100%">Pavel Avdonin</style></author><author><style face="normal" font="default" size="100%">Weizhong Zhu</style></author><author><style face="normal" font="default" size="100%">Richard A. Bond</style></author><author><style face="normal" font="default" size="100%">C. William Balke</style></author><author><style face="normal" font="default" size="100%">Edward G. Lakatta</style></author><author><style face="normal" font="default" size="100%">Heping Cheng</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Enhanced Gi signaling selectively negates β 2-adrenergic receptor (AR)- but not β1-AR-mediated positive inotropic effect in myocytes from failing rat hearts</style></title><secondary-title><style face="normal" font="default" size="100%">Circulation</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2003</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/12975249</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">1633-1639</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">13</style></issue><custom7><style face="normal" font="default" size="100%">000185624500031</style></custom7></record></records></xml>