RT Journal Article SR Electronic T1 Correction: Liu et al., Spinal Synthesis of Estrogen and Concomitant Signaling by Membrane Estrogen Receptors Regulate Spinal κ- and μ-Opioid Receptor Heterodimerization and Female-Specific Spinal Morphine Antinociception JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP 17752 OP 17752 VO 31 IS 48 YR 2011 UL http://www.jneurosci.org/content/31/48/17752.2.abstract AB