title: A one step esterase stain for use with a hemacytometer.
mesh_terms: D001772:Blood Cell Count / Q000379:methods*; D004950:Esterases / Q000097:blood*; D006801:Humans; D008264:Macrophages / Q000201:enzymology*; D009284:Naphthols; D013194:Staining and Labeling
chemical_list: D009284:Naphthols; C027876:alpha-naphthyl acetate; D004950:Esterases