Immunohistochemical Study of Immune Cells, with a Special Emphasis on Macrophage Subpopulations in the Rat Spleen after Cyclophosphamide Treatment - 윤식(Sik Yoon), 손영광(Young-Kwang Son), 전은주(Eun-Joo Jun), 유영현(Young-Hyun Yoo) (Taehan Haebu Hakhoe chi, 2000)