TY - RPRT TI - Delayed hypersensitivity, immune deviation, antigen processing and T-cell subset selection in syphilis pathogenesis and vaccine design. AU - S Sell AU - P L Hsu PY - 1993 DO - 10.1016/0167-5699(93)90196-r UR - https://pubmed.ncbi.nlm.nih.gov/8305130/ ID - 8305130 ER -