"ClinicalTrials.gov"@en. . . "http://clinicaltrials.gov/ct2/show/NCT00000200?rank=1". . . . . "45"^^. "1997-01". . . "NCT00000200"@en. . . . . . "Cocaine Effects in Humans: Physiology and Behavior \u2013 1"@en. . "Interaction of cocaine & meds on coc's subjective"@en. "Interaction of cocaine and meds on cardio"@en. "Effects of medication on cocaine craving"@en. . . . . . "18"^^. . "Source: Freebase - The World's database". "19"^^. _:qXYtJPId430. "Healthy"@en. _:qXYtJPId430 "cocaine_effects_in_humans_physiology_and_behavior_1". _:qXYtJPId430 .