RT Journal Article SR Electronic T1 Point-of-care lung ultrasonography for pneumonia in children: does size really matter? JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 2 OP 3 DO 10.1136/archdischild-2018-315196 VO 104 IS 1 A1 Aaron E Chen YR 2019 UL http://adc.bmj.com/content/104/1/2.abstract AB