Do it yourself? Those easy-to-use home medical tests can be anything but. Some are downright misleading.
Smith
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D018795:Device Approval; D006801:Humans; D011786:Quality Control; D011933:Reagent Kits, Diagnostic / Q000592:standards*; D012648:Self Care / Q000295:instrumentation*; D014481:United States; D014486:United States Food and Drug Administration
D011933:Reagent Kits, Diagnostic