title: Why evaluate for residual drug effects.
authors.affiliation: Division of Clinical Research, National Institute on Drug Abuse, Rockville, MD 20857.
authors.forename: J W
authors.initials: JW
authors.lastname: Spencer
mesh_terms: D000818:Animals; D004350:Drug Residues / Q000009:adverse effects*; D006801:Humans; D012106:Research; D019966:Substance-Related Disorders / Q000503:physiopathology*