Dinh Xuan, A T Effects of clonidine on bronchial responses to histamine in normal and asthmatic subjects. [electronic resource] - The European respiratory journal Apr 1988 - 345-50 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article ISSN: 0903-1936 Subjects--Topical Terms: Asthma--diagnosisBronchi--drug effectsBronchial Provocation TestsBronchial Spasm--chemically inducedClonidine--pharmacologyDose-Response Relationship, DrugDouble-Blind MethodFemaleHistamineHumansMalePremedication