Full text: Available Index: IMSEAR (South-East Asia) Main subject: Respiratory Function Tests / Respiratory Tract Diseases / Bronchoscopy / Female / Humans / Male / Child / Child, Preschool / Incidence / Developing Countries Type of study: Incidence study / Prognostic study Country/Region as subject: Asia Language: English Journal: Indian J Pediatr Year: 1996 Type: Article