Total and differential leucocyte count.
D000293:Adolescent; D000328:Adult; D001322:Autoanalysis; D001683:Biological Clocks; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007958:Leukocyte Count / Q000379:methods*; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D044469:Racial Groups