TY - JOUR AN - 59 AU - Chen,Y.Y. AU - Chang,H.M. TI - Antiproliferative and differentiating effects of polysaccharide fraction from fu-ling (Poria cocos) on human leukemic U937 and HL-60 cells. JO - Food Chem Toxicol PY - 2004 VL - 42 SP - 759-769 M2 - 759 ER -