Publisher Summary This chapter focuses the attention on some approaches to overcoming
difficulties inherent in the investigation of the human system with particular attention to the
three areas. The precise dissection of the cellular mechanisms and interactions involved in
the generation of the human immune response has been facilitated by recent advances in
three interrelated areas:(1) the development of in vitro methods for the characterization and
identification of human lymphocyte classes by cell surface markers,(2) the development of …