U. Schlichting

Aversive properties of nalorphine and naloxone in morphine-dependent rhesus monkeys.

S. Goldberg, F. Hoffmeister, W. Wuttke, 1971, The Journal of pharmacology and experimental therapeutics.

Reinforcing properties of some opiates and opioids in rhesus monkeys with histories of cocaine and codeine self-administration

F. Hoffmeister, U. Schlichting, Friedrich Hoffmeister, 2004, Psychopharmacologia.

A comparison of pentobarbital and cocaine self-administration in rhesus monkeys: effects of dose and fixed-ratio parameter.

S. Goldberg, F. Hoffmeister, W. Wuttke, 1971, The Journal of pharmacology and experimental therapeutics.