1. Akagawa, K. S., Kamoshita, A., and Tokunaya, T., 1988, Effects of granulocyte-macrophage colony-stimulating factor-1 on the proliferation and differentiation of murine alveolar macrophages, J. Im-monol. 141: 3383–3390.
2. Aschoff, L., 1924, Das reticulo-endotheliale system, Ergehn. Inn. Med. Kinderheilk. 26: 1–5.
3. Austyn, J. M., and Gordon, S., 1981, F4/80, a monoclonal antibody directed specifically against the mouse macrophage, Eur. J. Immunol. 11: 805–815.
4. Baccarini, M., Kiderlen, A. F., Decker, T., and Lohmann-Matthes, M. L., 1986, Functional heterogeneity of murine macrophage precursor cells from spleen and bone marrow, Cell. Immunol. 101: 339–350.
5. Baccarini, M., Hao, L., and Decker, T., 1988, Macrophage precursors as natural killer cells against tumor cells and microorganisms, Nat. Immun. Cell. Growth Regul. 7: 316–327.