1. Studies on the locomotor activity effects of morphine in rats;Babbini;The Pharmacologist,1967
2. Time-dose relationships for locomotor activity effects of morphine after acute or repeated treatment;Babbini;Brit. J. Pharmacol.,1972
3. Effect of morphine sulfate on spontaneous activity level of the albino rat;Collins;Psychol. Rep.,1965
4. Identificatione e sviluppo di una nuova classe di analgesici centrali;Della Bella;Boll. Chim. Farm.,1972
5. Della Bella, D., 1972b Zambon Research Laboratories, Bresso-Milan (Italy), data on file.