AUTHOR=Cobbold Stephen P., Li Xian C. TITLE=Translating Tolerogenic Therapies to the Clinic – Where Do We Stand and What are the Barriers? JOURNAL=Frontiers in Immunology VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2012.00317 DOI=10.3389/fimmu.2012.00317 ISSN=1664-3224