Macrophage-Stimulating Protein, the Ligand for the Stem Cell-Derived Tyrosine Kinase/RON Receptor Tyrosine Kinase, Inhibits IL-12 Production by Primary Peritoneal Macrophages Stimulated with IFN-γ and LipopolysaccharideAmy C. Morrison, Pamela H. Correll|The Journal of Immunology|2004Cited by 73