Histamine and antihistamines.
D018926:Anti-Allergic Agents; D006632:Histamine / Q000502:physiology*; D006634:Histamine H1 Antagonists / Q000502:physiology*; D006801:Humans
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists; D006632:Histamine
ANTIHISTAMINICS/physiology; HISTAMINE/physiology
Histamin und Antihistamine.