Even army, schools and universities use quackery like polygraphs and Voll/Schimmel EAP to "detect drug users."
- http://translate.google.com/translate?hl=en&sl=auto&tl=en&u=...
- http://translate.google.com/translate?hl=en&sl=auto&tl=en&u=... (no direct link to paragraph, search for "Voll")