Use of an Intravenous Contrast Agent (Optison) to Enhance Echocardiography: Efficacy and Cost Implications
Leslee J. Shaw, PhD, Linda Gillam, MD, Steven Feinstein, MD, John Dent, MD, Gary Plotnick, MD, for the Optison Multicenter Study GroupThe American Journal of Managed Care, September 1998 - Special Issue, Volume 4, Issue 2 SP