Toxicology
David R. Teddy, DWI Trial Notebook (2d ed.)
William C. Head, The DUI Book: A Citizen’s Handbook on Fighting a Drunk Driving Case
NHTSA Drug and Human Performance Fact Sheets
The National Highway Traffic Safety Administration offers information about the effects of impairing substances.
Jan Semenoff, Intoxilyzer Breath Alcohol Testing: Professional Edition
Winek’s Drug & Chemical Blood-Level Data
Reference cited by the NC State Crime Laboratory. Provides the normal, therapeutic, toxic, and lethal blood level for various drugs and their metabolites.