1) Goldman JM, et al: Prodction of colony-stimulating factor by leukemic leukocytes. Blood 47: 381∼388, 1976
2) Asano S, et al: Demonstration of granulopoietic factor (s) in the plasma of nude mice transplanted with a human lung cancer and in the tumor tissue. Blood 49: 845∼852, 1977
3) Kimmura N, et al: An established lung cancer cell line producing colony-stimulaying activity. Proc Japan Acad, 54: 548∼552, 1978