title: A comparison of psychological and psychophysical test patterns before and after receiving papaverine HCL.
mesh_terms: D000368:Aged; D002540:Cerebral Cortex / Q000187:drug effects*; D005260:Female; D005425:Flicker Fusion; D006801:Humans; D008297:Male; D008568:Memory / Q000187:drug effects; D008875:Middle Aged; D010208:Papaverine / Q000494:pharmacology*; D011581:Psychological Tests; D014796:Visual Perception / Q000187:drug effects
chemical_list: D010208:Papaverine