title: A comprehensive gas chromatographic drug screening procedure for the clinical laboratory.
mesh_terms: D000438:Alcohols / Q000097:blood*; D001463:Barbiturates / Q000097:blood*; D002849:Chromatography, Gas; D005069:Evaluation Studies as Topic; D006801:Humans; D006993:Hypnotics and Sedatives / Q000097:blood*; D008722:Methods; D009098:Multiphasic Screening; D010672:Phenytoin / Q000097:blood; D019966:Substance-Related Disorders; D013997:Time Factors; D014149:Tranquilizing Agents / Q000097:blood*
chemical_list: D000438:Alcohols; D001463:Barbiturates; D006993:Hypnotics and Sedatives; D014149:Tranquilizing Agents; D010672:Phenytoin