Multicomponent procedures have recently undergone remarkable developme
nt. For this reason the Scientific Committee of the National Congress
in Trieste, during the session ''Toward the global apheresis'', though
t it opportune to execute an analysis of their cost, in order to evalu
ate an eventual real economic convenience of same. Of course this eval
uation can only be in general terms, since we must consider both plasm
a-production costs, determined by organization, costs of materials and
methods of equipment acquisition, along with agreements made with the
plasma transformation industries, which vary from country to country.