1. The Credibility Gap in the Illicit Drug Market;Marshman;Addictions,1969
2. Deceptions in the Illicit Drug Market;Cheek;Science,1970
3. The Univer sity of Michigan News,1971
4. A Street Drug Identification Program;Woodhouse;MRI Quarterly,1971
5. Narcodal Test Kit, Dal-Chem Products, Inc. 3251 Camino Colorados, LaFayette, Calif.