How much radioactivity reaches the basal cisterns at cisternography?
D002946:Cisterna Magna / Q000032:analysis*; D006801:Humans; D007278:Injections, Spinal; D008578:Meninges / Q000032:analysis*; D012711:Serum Albumin, Radio-Iodinated / Q000008:administration & dosage / Q000032:analysis*
D012711:Serum Albumin, Radio-Iodinated