Some factors involved in anaphylactic shock.
D000707:Anaphylaxis; D006632:Histamine / Q000502:physiology*; D006967:Hypersensitivity / Q000737:chemistry*; D007154:Immune System Diseases; D012701:Serotonin / Q000502:physiology*
D012701:Serotonin; D006632:Histamine
ALLERGY/chemistry; HISTAMINE/physiology; SEROTONIN/physiology