6 marzo 2015
Drug testing is most commonly performed using urine samples. The methodology and regulations for reliable urine testing are well developed and can be considered the current gold standard for drug testing. However, one problem with urine testing is related to the methodology of sample collection, often perceived as inconvenient and privacy-overriding by those undergoing the test. As such, a group of researchers has developed a more donor-friendly alternative to urine testing for drugs by focusing on exhaled breath.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/oNjmwJG-WZs/150306102415.htm
