Tempel, A., Kessler, J., & Zukin, R. (1990). Chronic naltrexone treatment increases expression of preproenkephalin and preprotachykinin mRNA in discrete brain regions. J Neurosci.
Chicago Style CitationTempel, A., JA Kessler, and RS Zukin. "Chronic Naltrexone Treatment Increases Expression of Preproenkephalin and Preprotachykinin MRNA in Discrete Brain Regions." J Neurosci 1990.
MLA CitationTempel, A., JA Kessler, and RS Zukin. "Chronic Naltrexone Treatment Increases Expression of Preproenkephalin and Preprotachykinin MRNA in Discrete Brain Regions." J Neurosci 1990.
Warning: These citations may not always be 100% accurate.