title: Changes of human immunological parameters by PSK administration.
mesh_terms: D000276:Adjuvants, Immunologic / Q000494:pharmacology*; D000368:Aged; D000917:Antibody Formation / Q000187:drug effects; D006801:Humans; D007111:Immunity, Cellular / Q000187:drug effects; D008297:Male; D008875:Middle Aged; D011509:Proteoglycans / Q000494:pharmacology*
chemical_list: D000276:Adjuvants, Immunologic; D011509:Proteoglycans; C010770:polysaccharide-K