Smartphone Breath Alcohol Testing Devices Vary Widely in Accuracy - Penn Medicine

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Prevention, screening, and treatment for heavy drinking and alcohol use disorder - The Lancet Psychiatry

Smartphone Applications to Support Sleep Self-Management: Review and Evaluation

Smartphones 'may be able to detect how drunk a person is with 98% accuracy

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How Long Can a Breathalyzer Detect Alcohol?

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Smartphones and smart speakers may be able to detect alcohol intoxication by analyzing voice patterns, says study

Breathalyzer, FDA Cleared Portable Alcohol Tester with Digital LCD Screen & 10x Mouthpieces, Fast Accurate Blood Alcohol Content Results, Professional-Grade Accuracy Personal Breathalyzers

Smartphones and smart speakers may be able to

Field Sobriety Tests Are Not Mandatory in Pennsylvania The Zeiger Firm

Portable alcohol breathalyzers: How accurate are they