Efficient estimate of white count differential.
D002675:Child, Preschool; D005260:Female; D005335:Fever of Unknown Origin / Q000097:blood; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007958:Leukocyte Count / Q000379:methods*; D008297:Male; D009504:Neutrophils