[Organic reaction; histamine and antihistamine].
D018926:Anti-Allergic Agents; D006632:Histamine; D006634:Histamine H1 Antagonists
D018926:Anti-Allergic Agents; D006634:Histamine H1 Antagonists; D006632:Histamine
ANTIHISTAMINICS
Reacción orgánica; histamina y antihistaminicos.