Singer, R. L. (2010, March 6). Valve Surgery -Past Present and Future. Presented at Lehigh Valley Health Network's CVT -Cardiovascular Therapeutics: Patient Care in the Era of Health Care Reform, Allentown, PA.

Singer, R. L. (2010, June 4). Valve Surgery -Past Present and Future. Presented at Lehigh Valley Health Network's Cardiology Grand Rounds Lecture, Allentown, PA.

Singer, R. L. (2011, January 19). Valve Surgery -Past Present and Future. Presented at Hunterdon Medical Center's Medical Grand Rounds Lecture, Flemington, NJ.

Singer, R. L. (2011, January 22). Valve Surgery -Past Present and Future. Presented at Lehigh Valley Anesthesia Services Winter Retreat, Macungie, PA

Singer, R. L. (2011, October 15). Valve Surgery -Past Present and Future. Presented at What's New in Cardiology, Allentown, PA.

Singer, R. L. (2012, February 21). Valve Surgery -Past Present and Future. Presented at the Ninth Annual Symposium & Cardiology Award Presentation in Memory of David M. Flowers, MD, Perkasie, Pennsylvania.

Singer, R. L. (2012, May 24). Valve Surgery -Past Present and Future. Presented at the 1899 Society Annual Dinner, Allentown, PA.