Research & Education JFS Articles AAFS Connect Conference Proceedings Reference Series Library International Educational Outreach Program The Validity of Surrogate Reporting of Substance Use Presenting section: Toxicology 2004 Kung, Hsiang-Ching, Hyattsville MD; Hwang, Rong-Jen, Albuquerque NM; Li, Jack, Hyattsville MD View the paper Toxicology