title: Letter: Cytologic analysis of cerebrospinal fluid.
mesh_terms: D002555:Cerebrospinal Fluid / Q000166:cytology*; D006801:Humans; D007938:Leukemia / Q000134:cerebrospinal fluid* / Q000150:complications; D008581:Meningitis / Q000134:cerebrospinal fluid* / Q000209:etiology