TABLE 1.

MAbs used in this study

MAb	Specificity	Isotypea	Sourceb	Reference(s)
1E52	Ley	IgM	R. Negrini	32, 34
54.1F6A	Lex	IgM	G. J. van Dam	47
4D2	H type 1	IgM	R. Negrini	32, 34
6A5	Core	IgG	P. Doig	14
3H11	Urease	IgM	R. Negrini	33

^aIgM, immunoglobulin M; IgG, immunoglobulin G. 

^bR. Negrini, Biotechnology Laboratory, General Hospital, Brescia, Italy; G. J. van Dam, Department of Parasitology, University of Leiden, Leiden, The Netherlands; P. Doig, Department of Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia, Canada.