TABLE 1.

Antibody titers obtained at different times of follow-up by IHA in 9/18 patients who showed a regression

Patient no.	Antibody titer at the following mo of follow-up
	0	6	12	18	24	30	36	42	48	54	60	66
1	1,024	1,024	1,024	512	128	64	NDa	ND	ND	ND	ND	ND
2	128	32	32	32	32	32	ND	ND	ND	ND	ND	ND
3	1,024	512	512	128	128	128	128	128	128	128	ND	ND
6	1,024	1,024	512	ND	512	64	64	128	128	128	ND	ND
7	1,024	512	1,024	ND	256	128	128	256	ND	ND	ND	ND
9	64	64	64	32	64	16	16	32	16	8	ND	8
13	1,024	ND	2,048	512	1,024	512	64	64	512	256	256	ND
15	1,024	128	512	ND	32	256	256	ND	ND	ND	ND	ND
16	2,048	512	512	512	128	64	64	64	64	64	ND	64

^aND, not determined.