Combined serotonin 5-HT2 and dopamine D2 antagonist in schizophrenia: clinical, extrapyramidal and neuroendocrine response in a preliminary study with risperidone (R64766). - Bersani,G.; Bressa,GM.; Meco,G.; Marini,S.; Pozzi,F. (Hum Psychopharmacol, 1990)