title: Letter: Spinal-fluid lysozyme in diagnosis of central-nervous-system tumours.
mesh_terms: D001932:Brain Neoplasms / Q000134:cerebrospinal fluid / Q000175:diagnosis* / Q000201:enzymology; D002555:Cerebrospinal Fluid / Q000201:enzymology*; D002556:Cerebrospinal Fluid Proteins / Q000032:analysis*; D004796:Clinical Enzyme Tests; D006801:Humans; D009113:Muramidase / Q000032:analysis*; D009422:Nervous System Diseases / Q000134:cerebrospinal fluid / Q000175:diagnosis / Q000201:enzymology; D012509:Sarcoma / Q000134:cerebrospinal fluid / Q000175:diagnosis* / Q000201:enzymology
chemical_list: D002556:Cerebrospinal Fluid Proteins; D009113:Muramidase