@article {Chen, author = {Yan-Ping Chen and Shao-Rui Chen and Hui-Lin Pan}, title = {Systemic Morphine Inhibits Dorsal Horn Projection Neurons Through Spinal Cholinergic System Independent of Descending Pathways}, year = {2005}, doi = {10.1124/jpet.105.085563}, publisher = {American Society for Pharmacology and Experimental Therapeutics}, issn = {0022-3565}, URL = {https://jpet.aspetjournals.org/content/early/2005/04/21/jpet.105.085563}, eprint = {https://jpet.aspetjournals.org/content/early/2005/04/21/jpet.105.085563.full.pdf}, journal = {Journal of Pharmacology and Experimental Therapeutics} }