Word: b4
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Dates: during 1970-1979
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...years of the 1960s. Pan American World Airways ordered $500 million worth of wide-bodied L-1011-500 TriStars from California's Lockheed Corp. Eastern Airlines handed the Europeans an important victory over U.S. planemakers by closing a $778 million package deal to buy 19 A300-B4 minijumbos from Airbus Industrie, a French-German-Spanish consortium. That will be the biggest U.S. purchase of European aircraft ever...
...more important. Burch had been puzzled because many patients with damaged valves had no history of rheumatic fever. He knew that many viruses may attack the heart, and that some of them cause infections that seem relatively mild at the time. The cardiologist chose a virus called Coxsackie B4 for his tests and injected it into thousands of mice. Virtually all suffered heart injury and damage to the pancreas, and some had injury to the kidneys. To test his thesis in humans, Burch took blood from autopsy subjects who had damaged heart valves but no history of rheumatic fever...