[Comparative studies on antihistaminics].
D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006801:Humans; D007498:Iris / Q000187:drug effects*
D006634:Histamine H1 Antagonists
ANTIHISTAMINICS/effects; IRIS/effect of drugs on
Vergleichende Untersuchungen über Antihistamine.