Lu, D Airway provocation test with ragweed pollen extract in Chinese asthmatics. [electronic resource] - Asian Pacific journal of allergy and immunology Dec 1994 - 125-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0125-877X Subjects--Topical Terms: AdolescentAdultAllergens--adverse effectsAsthma--diagnosisBronchial Provocation Tests--methodsChinaFemaleHumansHypersensitivity, Delayed--diagnosisHypersensitivity, Immediate--diagnosisImmunoglobulin E--bloodMaleMiddle AgedPlant Extracts--adverse effectsPollenSkin Tests