Influence of intracerebroventricular administration of dopaminergic drugs on morphine state-dependent memory in the step-down passive avoidance test - Zarrindast, Mohammad-Reza; Bananej, Maryam; Khalilzadeh, Azita; Fazli-Tabaei, Soheila; Haeri-Rohani, Ali; Rezayof, Ameneh (Neurobiology of Learning & Memory, 2006)