N	Concordance
1	tions of the immune system. The natural killer cells have been suggested as one 
2	e inhibitory receptor for human natural killer cells resembles haematopoietic re
3	 use of membranes. The count of natural killer cells (CD3-, CD16+) in the periph
4	s support a protective role for natural killer cells in the development of metas
5	 malignancies, are deficient in natural killer cells which mediate natural cytot
6	 and an increased proportion of natural killer cells (CD16+) during relapse vs l
7	hocytes to make antibodies; and natural killer cells that can attack virus-infec
8	 of both number and activity of natural killer cells in peripheral blood in a do
9	llular cytotoxicity mediated by natural killer cells is not understood. We have 
10	rget cells has been elucidated. Natural killer cells express receptors which rec