Who first Pioneered the idea of a Blood Bank?

Who first Pioneered the idea of a Blood Bank?

سب سے پہلے بلڈ بینک کا خیال کس نے پیش کیا؟
Explanation

In late 1940, before the U.S. entered World War II and just after earning his doctorate, Drew was recruited by John Scudder to help set up and administer an early prototype program for blood storage and preservation


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