Is PA-PWRmax Truly a Preload-Independent Index of Myocardial Contractility in Anesthetized Humans? - Lester, Steven J.; Shin, Henry; Lambert, A. Stephane; Miller, Joseph P.; Cahalan, Michael K.; Seeberger, Manfred D.; Foster, Elyse; Schiller, Nelson B. (Cardiology, 2004)