Comment on

• Cannabinoid and heroin activation of mesolimbic dopamine transmission by a common mu1 opioid receptor mechanism.

  Tanda G, Pontieri FE, Di Chiara G. Tanda G, et al. Science. 1997 Jun 27;276(5321):2048-50. doi: 10.1126/science.276.5321.2048. Science. 1997. PMID: 9197269
• Activation of corticotropin-releasing factor in the limbic system during cannabinoid withdrawal.

  Rodríguez de Fonseca F, Carrera MR, Navarro M, Koob GF, Weiss F. Rodríguez de Fonseca F, et al. Science. 1997 Jun 27;276(5321):2050-4. doi: 10.1126/science.276.5321.2050. Science. 1997. PMID: 9197270