title: Measurement of endogenous Leucine enkephalin in canine caudate nuclei and hypothalami with high-performance liquid chromatography and field-desorption mass spectrometry.
mesh_terms: D000818:Animals; D002421:Caudate Nucleus / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D004285:Dogs; D004743:Enkephalin, Leucine / Q000302:isolation & purification*; D007031:Hypothalamus / Q000032:analysis*; D013058:Mass Spectrometry / Q000379:methods
chemical_list: D004743:Enkephalin, Leucine