Table 1.

Proportion of natural killer (NK) cells expressing NKR-P1A^bright

Days	0 (n = 10)	1 (n = 14)	2 (n = 15)	8 (n = 11)	16 (n = 5)	30 (n = 6)
% Bright	36 ± 3	30 ± 2	72 ± 2**	70 ± 3**	62 ± 2**	43 ± 4

Expressed as mean percentage of total NK numbers ± SD.

One-way ANOVA with Dunnett's post-test; value significantly (**P < 0.01,) different as compared with control.