<?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%">R.P. Xiao</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Beta-adrenergic signaling in the heart: dual coupling of the beta2-adrenergic receptor to G(s) and G(i) proteins.</style></title><secondary-title><style face="normal" font="default" size="100%">Science&quot;s STKE [electronic resource] : signal transduction knowledge environment</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2001</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/11604549</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">RE15</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">104</style></issue></record></records></xml>