Ganoderma lucidum Spore Polysaccharide Inhibits the Growth of Hepatocellular Carcinoma Cells by Altering Macrophage Polarity and Induction of Apoptosis oleh Ming Song, Zhen-hao Li, Hong-shun Gu, Ru-ying Tang, Rui Zhang, Ying-li Zhu, Jin-lian Liu, Jian-jun Zhang, Lin-yuan Wang