On the locus of the airway constricting effect of histamine in the dog.
D000818:Animals; D001980:Bronchi / Q000187:drug effects*; D004285:Dogs; D006632:Histamine / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects; D012137:Respiratory System / Q000187:drug effects; D014132:Trachea / Q000187:drug effects*
D006632:Histamine