In article <jel4-2302971258550001 at frans.glaxo.med.ualberta.ca>, jel4 at bones.biochem.ualberta.ca (Brian Taylor ) wrote: > sigma has them as well also MACS beads by Miltenyi Biotec (Germany or CA, USA) -- Bill. Jaramillo Centre for Immunology St Vincent's Hospital Darlinghurst, Sydney Australia.