Endogenous opioid

https://www.wikidata.org/wiki/Q417189

Field Hierarchy

Parent
Medicine 48.2M papers	Biology 34.8M papers	Chemistry 28.4M papers	Internal medicine 20.6M papers
Biochemistry 13.3M papers	Genetics 9.7M papers	Receptor 2.4M papers	Opioid 131k papers
Current
Endogenous opioid 5,399 papers
Child

Trends

Notes

History