Three short programs outlining the benefits of the Quantitative Buffy Coat (QBC) blood testing technique and the new QBC red cell, white cell and platelet counting device. It begins with an interview with Dr. Maxwell Wintrobe, then moves on to a talk about the device by Dr. Cesar Caceres, an internist, cardiologist and human immunodeficiency virus (HIV) expert from Washington, D.C.. Finally, the tape features a news program about the new QBC equipment, Lifetime's Professional Program Series: Physician's Journal Update.