A simple and high-throughput method to simultaneously determine selected benzodiazepines (i.e., diazepam, lorazepam, clonazepam, and bromazepam) in urine was de
The aim of this research was the determination of heavy metals’ (iron, copper, zinc, manganese, cadmium, nickel and lead) contents of white, red and black mulb
Marijuana use as well as abuse is a significant public health and public safety concern in the United States and using hair to identify marijuana users and abus