%0 Journal Article %A H N Bhargava %T Diversity of agents that modify opioid tolerance, physical dependence, abstinence syndrome, and self-administrative behavior. %D 1994 %J Pharmacological Reviews %P 293-324 %V 46 %N 3 %U https://pharmrev.aspetjournals.org/content/pharmrev/46/3/293.full.pdf