The biological estimation of 5-hydroxytryptamine (enteramine) in the presence of substance P.
D001921:Brain / Q000502:physiology*; D041981:Gastrointestinal Tract / Q000502:physiology*; D008239:Lysine / Q000378:metabolism*; D012701:Serotonin / Q000032:analysis*; D013373:Substance P
D012701:Serotonin; D013373:Substance P; D008239:Lysine
BRAIN/physiology; GASTROINTESTINAL SYSTEM/physiology; LYSINE/metabolism; SEROTONIN/determination