Optimizing preparation technique of Polyporus umbellatus polysaccharides long circulating liposomes by orthogonal test Pharmacognostical Study on Polyporus Physicochemical properties of medicinal fungus Polyporus umbellatus sclerotial exudate Habitat suitability assessment of medicinal Polyporus umbellatus in China based on Maxent modeling Preparation of Polyporus umbellatus polysaccharides long circulating liposomes Effect of ginseng polysaccharide and Polyporus umbellatus polysaccharide on function of lymphocytes in enteric mucosa of rats Effect of Polyporus umbellatus polysaccharides on activation of murine bone marrow dendritic cells via Toll-like receptor 4 Effect of Polyporus umbellatus polysaccharides on activation of murine bone marrow dendritic cells via Toll-like receptor 4 Cloning and expression analysis of Bax inhibitor-1 gene from medicinal fungus Polyporus umbellatus