Estrogen and the cholinergic system modulate visuospatial attention in monkeys (Macaca fascicularis).
                             
                            
                            
                                
                            
                            
                                
                            
                            
                            
                                
                                    
                                            
    Voytko ML. Estrogen and the cholinergic system modulate visuospatial attention in monkeys (Macaca fascicularis). Behav Neurosci. 2002 Apr; 116(2):187-97.