Abstract
Summary
(1) Exposure to the mercury vapor quartz lamp has produced, within less than a week, a distinct platelet increase, in 6 normal young rabbits.
(2) This increase varied from 40 to 100 per cent of the original normal, but always amounted to at least twice that of the normal variation in the animal. The platelet count returned to normal rather rapidly after having reached its maximum.
(3) The red cells, at first decreased, began to rise at about the time of the platelet peak, returned to normal within 6 days, reached a million above normal in 2 weeks and in 2 cases maintained this level for 3 weeks after cessation of radiation.
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