Substance Abuse: Current Concepts, Class 19, Marijuana 2
directed by Jon Mark Tullos, fl. 1997; presented by Greg Blevins, fl. 2000; produced by Jon Mark Tullos, fl. 1997, Governors State University, in Substance Abuse: Current Concepts, Class 19 (University Park, IL: Governors State University, 2000), 1 hour
