TY - RPRT TI - Specific lymphocyte-activating determinants expressed on mouse macrophages. AU - V Schirrmacher AU - J Peña-Martinez AU - H Festenstein PY - 1975 DO - 10.1038/255155a0 UR - https://pubmed.ncbi.nlm.nih.gov/48201/ ID - 48201 ER -