TY - RPRT TI - Activated antigen-presenting cells select and present chemically modified peptides recognized by unique CD4 T cells. AU - Jeremy Herzog AU - Yoichi Maekawa AU - Thomas P Cirrito AU - Beverly S Illian AU - Emil R Unanue PY - 2005 DO - 10.1073/pnas.0502255102 UR - https://pubmed.ncbi.nlm.nih.gov/15901898/ ID - 15901898 ER -