Opinion The polar vortex exposed a major flaw in our volunteer blood supply system. httpsbuff.ly2Vm55UuÂ

Opinion: The polar vortex exposed a major flaw in our volunteer blood supply system. https://buff.ly/2Vm55Uu 

22:07 EST 28 Feb 2019 | STAT

Opinion: The polar vortex exposed a major flaw in our volunteer blood supply system. https://buff.ly/2Vm55Uu 

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