Lumbar Puncture Needn't Be a Headache, Use Blunt Needles and No Bed Rest
BMJ 315:1324-1325, Broadley,S.A.&Fuller,G.N., 1997
Esophageal Carcinoma Metastatic to the Brain:Clin Value & Cost-Effect of Enhanced Head CT Before Esophagectomy
AJNR 16:1915-1921, Gabrielsen,T.O.,et al, 1995