The enhancement of histamine bronchospasm after blockade of pulmonary sympathetic function.
D000818:Animals; D001986:Bronchial Spasm / Q000139:chemically induced*; D002415:Cats; D004285:Dogs; D006168:Guinea Pigs; D006632:Histamine / Q000494:pharmacology*; D013565:Sympatholytics / Q000494:pharmacology*
D013565:Sympatholytics; D006632:Histamine