It is, therefore, an object of the present invention to provide a means by which elements of
the immune system can be targeted against specific types of un wanted or detrimental cells.
It is a further object of the present invention to pro vide cross-linked antibodies capable of
directing normal immune system to attack specific targets in vivo. It is yet another object of
the present invention to provide a method of producing cross-linked heteroan tibodies
capable of causing normal cytotoxic cells to inactivate a specific cell type. It is an additional …