RT Book, Section A1 Houin, Paul A1 Stillwell, Paul A1 DeBoer, Emily M. A1 Hoppe, Jordana A2 Bunik, Maya A2 Hay, William W. A2 Levin, Myron J. A2 Abzug, Mark J. SR Print(0) ID 1190363191 T1 Respiratory Tract & Mediastinum T2 Current Diagnosis & Treatment: Pediatrics, 26e YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269983 LK accessmedicine.mhmedical.com/content.aspx?aid=1190363191 RD 2024/10/14 AB Pulmonary diseases account for almost 50% of deaths in children younger than 1 year and about 20% of all hospitalizations of children younger than 15 years. Approximately 7% of children have a chronic respiratory disorder. Understanding the pathophysiology of many pediatric pulmonary diseases is enhanced by an appreciation of the normal growth and development of the lung.