Medicine: Blood for Invasion

Last week in England, as for several weeks past, the U.S. Army's Major Robert Hardin carried out what he calls a "dry run" of blood-giving. Soldiers with type-o blood (the universal type which can be given to anybody) gave four-fifths pint each to his blood banks — in this case, refrigerator trucks.

Patriotic donors at home could rest assured that blood plasma, which is blood with the red corpuscles removed, is often a lifesaver. But a really bad hemorrhage produces a dangerous reduction in red corpuscles, which carry oxygen to the tis sues. Though a man can get along on less than...

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