title: Natural killer cell activity in normal Chinese.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D044466:Asian People; D002648:Child; D003602:Cytotoxicity, Immunologic; D005260:Female; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D007958:Leukocyte Count; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013624:Taiwan