The Korean Journal of Gastroenterology :eISSN 2233-6869 / pISSN 1598-9992

 

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Fig. 3. Pain modulators and analgesics. Pain can be modulated by drugs acting on each level. Drugs that act on the nociceptors are called peripheral acting medicines, and those that act on higher levels (dorsal horn, brain stem, cerebral cortex) are called central acting medicines.
Korean J Gastroenterol 2021;77:277~284 https://doi.org/10.4166/kjg.2021.083
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