Joshua F. Nitsche, et.al., Genetic dissociation of opiate tolerance and physical dependence in delta-opioid receptor-1 and preproenkephalin knock-out mice., The Journal of neuroscience : the official journal of the Society for Neuroscience, 2002, 22
Joshua F. Nitsche, et.al., Genetic dissociation of opiate tolerance and physical dependence in delta-opioid receptor-1 and preproenkephalin knock-out mice., The Journal of neuroscience : the official journal of the Society for Neuroscience, 2002, 22