Brooke, A M The natural history of respiratory symptoms in preschool children. [electronic resource] - American journal of respiratory and critical care medicine Dec 1995 - 1872-8 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1073-449X Standard No.: 10.1164/ajrccm.152.6.8520749 doi Subjects--Topical Terms: Age FactorsAsthma--diagnosisBronchial Provocation TestsChild, PreschoolCoughFollow-Up StudiesHumansHypersensitivity, Immediate--diagnosisInfant, NewbornPeak Expiratory Flow RateRecurrenceReproducibility of ResultsRespiratory SoundsRespiratory Tract Diseases--diagnosis