title: Deficient leukocyte peroxidase activity in the Batten-Spielmeyer-Vogt syndrome.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003124:Colorimetry; D006801:Humans; D007958:Leukocyte Count; D007962:Leukocytes / Q000201:enzymology*; D008064:Lipidoses / Q000201:enzymology*; D009504:Neutrophils / Q000201:enzymology; D010544:Peroxidases / Q000378:metabolism*
chemical_list: D010544:Peroxidases