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Green Valley News & Sun
Guardant Health - Shield Cancer Screen
Blood Testing Service
3100 Hanover St
Palo Alto, CA 94304
(855) 698-8887
https://ShieldCancerScreen.com/
About
Manufactured by Guardant Health, Shield™ is the more pleasant way to screen for colon cancer—with just a blood test. Shield is FDA-approved and covered by Medicare.
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02/24/26