Lyphocyte-counts in relation to age.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006801:Humans; D007158:Immunologic Techniques; D007958:Leukocyte Count; D008214:Lymphocytes / Q000166:cytology* / Q000276:immunology; D008297:Male; D008875:Middle Aged