TY - GEN AU - Cunningham,James K AU - Liu,Lon-Mu AU - Callaghan,Russell TI - Impact of US and Canadian precursor regulation on methamphetamine purity in the United States SN - 1360-0443 PY - 2009///0515 KW - Canada KW - Central Nervous System Stimulants KW - chemical synthesis KW - Commerce KW - Drug Compounding KW - Drug Industry KW - legislation & jurisprudence KW - Drug and Narcotic Control KW - Hawaii KW - Law Enforcement KW - methods KW - Methamphetamine KW - Models, Chemical KW - Time Factors KW - United States N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1111/j.1360-0443.2008.02458.x ER -