text: Yo, check it out, I got a passage to spit,
  Gonna rewrite it in a rap, gonna make it legit.
  We talkin' double tracer autoradiography,
  Measuring rCBF and BZR, that's the key.
  
  Infarction in rats, middle cerebral arteries closed,
  Using Iomazenil and HMPAO, let it be known.
  Iodine-125 to label them BZR,
  99mTc-HMPAO for rCBF, takin' it far.
  
  In the chronic phase, 21 to 28 days post-occlusion,
  rCBF in left MCA dropped, a reduction.
  Only 62% of the sham control, you see,
  But BZR took a hit, 45% of what it used to be.
  
  In remote areas, away from the lesion site,
  The ipsilateral thalamus, a different plight.
  BZR decreased by 28%, a noticeable shift,
  rCBF ain't significant, didn't give us a lift.
  
  Iomazenil distribution, a sign of neuron density,
  BZR density on neurons, that's the propensity.
  Central type BZR, chillin' on them brain cells,
  A better tool for brain tissue viability, I can tell.
  
  Transneuronal degeneration, it's the real deal,
  Central type BZR imaging got the appeal.
  So when it comes to brain infarction evaluation,
  BZR imaging's the way, forget rCBF fixation.