title: A combined bone marrow and spinal fluid aspiration technique using disposable spinal needles.
mesh_terms: D001707:Biopsy, Needle / Q000379:methods; D001856:Bone Marrow Examination / Q000379:methods*; D002648:Child; D006801:Humans; D007938:Leukemia / Q000175:diagnosis / Q000628:therapy; D013129:Spinal Puncture / Q000379:methods*