Jacqueline M Hill

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The authors measured in vivo signal intensity on magnetic resonance (MR) images and postmortem iron concentrations in the brains of three young and two old rhesus monkeys. T2-weighted MR imaging was done at 0.5, 1.5, 2.0, and 4.7 T. Relative assessment of iron concentration was made from the optical density of brain sections stained with the Perls' method(More)
1. Diel vertical migration (DVM) is a widespread phenomenon among marine and freshwater organisms and many studies with various taxa have sought to understand its adaptive significance. Among crustacean zooplankton and juveniles of some fish species DVM is accepted widely as an antipredator behaviour, but little is known about its adaptive value for(More)
The paper by Thulborn et al. [1] on the distribution of ferritin and hemosiderin in cerebral hemorrhage implies that Perls Prussian blue stains hemosiderin and does not stain ferritin. This was most surprising to us, as we had just obtained excellent Perls stains of ferritincontaining regions of the brain [2] (Fig . 1 ). We think that given the current(More)
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