Finally, the set is defined to be the smallest set containing the starting elements and all others that can be derived from them by repeated application of the generating operations. The set resulting from these operations is said to be the closure of the starting set under the given generati...
In this review, detailed knowledge about the drug deposition, extraction, analysis, and application of results in forensic and clinical cases have been discussed.Background During the last few decades, tremendous research work has been done to investigate the different drugs of abuse and their ...