BioSpace: A site for biotech news, job postings, company profiles and everything biotech. www.biospace.com

International Society for Cell Therapy: A good discussion forum with lots and lots of exchanges concerning cryopreservation of cells. www.celltherapy.org

American Society for Histocompatibility and Immunogenetics: An entry point for the subject of HLA typing with good links to sequences and other resources, some of which are listed below. www.ashi-hla.org

International IMmunoGeneTics Project (IMGT) IMGT/HLA database: Sequence database for HLA alleles. www.ebi.ac.uk/imgt/hla

International Histocompatibility Working Group: Provides reference cells for HLA typing. Since the ASHI repository was closed, The International Cell and Gene Bank has been assembling reference cell lines and cloned HLA genes. www.ihwg.org