Biometrics help secure Calif.'s marijuana vending machines / SecurityInfoWatch, 29 January 2008
http://www.securityinfowatch.com/article/article.jsp?id=14040&siteSection=305
Catherine Elsworth
"Unique 'medical marijuana' program requires on-site guards, biometric verification
The machines can be used by patients who are prescribed marijuana for health reasons.
Patients have to present a prescription and be fingerprinted before they are issued with a pre-paid credit card that stores the dosage and type of drug prescribed."