High-Density Lipoproteins and Their Constituent, Sphingosine-1-Phosphate, Directly Protect the Heart Against Ischemia/Reperfusion Injury In Vivo via the S1P <sub>3</sub> Lysophospholipid ReceptorGregor Theilmeier, Bodo Levkau, Jerold Chun et al.|Circulation|2006Cited by 413