Microradiography of the pulmonary microc
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Quigley, Mervyn B. ;Leathers, James E. ;Reeves, John T.
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Article
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1964
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John Wiley and Sons
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English
โ 647 KB
Conventional radiographs of lungs of calves which had been injected post mortem with barium sulphate could not be used to demonstrate vessels smaller than 50 ,u in diameter. To overcome this difficulty, frozen sections 50-150 fi thick were floated on to high resolution photographic plates and contac