McNally, G. P., Pigg, M., & Weidemann, G. (2004). Opioid Receptors in the Midbrain Periaqueductal Gray Regulate Extinction of Pavlovian Fear Conditioning. J Neurosci.
Chicago Style CitationMcNally, Gavan P., Michael Pigg, and Gabrielle Weidemann. "Opioid Receptors in the Midbrain Periaqueductal Gray Regulate Extinction of Pavlovian Fear Conditioning." J Neurosci 2004.
MLA CitationMcNally, Gavan P., Michael Pigg, and Gabrielle Weidemann. "Opioid Receptors in the Midbrain Periaqueductal Gray Regulate Extinction of Pavlovian Fear Conditioning." J Neurosci 2004.
Warning: These citations may not always be 100% accurate.