Hi All, I need to order IgG 1,2,3, and 4 for fluorescence. Any suggestions? Rick Richard A. Breckenridge, HT(ASCP) Histology Laboratory Manager University of Texas Health Science Center at Houston Medical School Building 2.234 ph. 713-500-6792 fax 713-500-0733 richard.breckenridge <@t> uth.tmc.edu