TY - RPRT TI - Macrophages in solid tumors. I. Immunologically specific effector cells. AU - H Van Loveren AU - W Den Otter PY - 1974 DO - 10.1093/jnci/53.4.1057 UR - https://pubmed.ncbi.nlm.nih.gov/4139274/ ID - 4139274 ER -