Dr Julian E. Villarreal, Department of Pharmacology, Medical Science Building, University of Michigan, Ann Arbor, Michigan Dr Villarreal also corresponded from: Director Behavioral Pharmacology, Instituto Miles de Terapeutica Experimental, Division de Laboratorios Miles de Mexico, S.A de C.V., Apartado Postal 22026, Mexico. Includes a file containing a number of transcript 'addendum' by Dr Villarreal and other people from the Department of Pharmacology, Ann Arbour, Michigan. Also includes a number of transcripts by Kosterlitz and transcripts from the Department of Pharmacology, Medical College of Virginia, Virginia Commonwealth University, Richmond, Virginia. 1969 - 1978