Their efforts were in vain and he succumbed to his injuries.
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_:vb7101012
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The problems concerning contrast induced hyperemia and the in vain efforts to search for a contrast agent not influencing flow […]
dcterms:bibliographicCitation
2012, N.H. Pijls, Maximal Myocardial Perfusion as a Measure of the Functional Significance of Coronary Artery Diseasehttps://books.google.com/books?id=AbcqBgAAQBAJ&pg=PA42&dq=%22the+in+vain%22&hl=en&sa=X&ved=0ahUKEwitksa33czQAhVN5GMKHRyCADAQ6AEIMDAE#v=onepage&q=%22the%20in%20vain%22&f=false: