RT Journal Article SR Electronic T1 Face coverings have little utility for young school-aged children JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 77 OP 78 DO 10.1136/archdischild-2022-324809 VO 108 IS 2 A1 Alasdair P S Munro A1 Robert C Hughes YR 2023 UL http://adc.bmj.com/content/108/2/77.abstract AB