Respiratory effects of histamine.
D000818:Animals; D001980:Bronchi / Q000187:drug effects*; D006632:Histamine / Q000494:pharmacology*; D008168:Lung / Q000187:drug effects*; D051379:Mice; D009130:Muscle, Smooth / Q000187:drug effects*; D011817:Rabbits; D011970:Receptors, Histamine H2 / Q000187:drug effects; D014630:Vagus Nerve / Q000187:drug effects / Q000502:physiology
D011970:Receptors, Histamine H2; D006632:Histamine