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Polio Particles 22 Mary Westbrook Stamps commemorate polio vaccine rivals The US Postal Service has released two stamps to honour the developers of the polio vaccines as part of its Distinguished Americans series. A 63c
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Document Date: 2006-05-04 22:01:35
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Polio Particles 22 Mary Westbrook Stamps commemorate polio vaccine rivals The US Postal Service has released two stamps to honour the developers of the polio vaccines as part of its Distinguished Americans series. A 63c