RT Journal Article SR Electronic T1 Increased screen time is associated with poorer developmental outcomes in early childhood JF Archives of disease in childhood - Education & practice edition JO Arch Dis Child Educ Pract Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 253 OP 254 DO 10.1136/archdischild-2019-317304 VO 105 IS 4 A1 Fullwood, Isobel YR 2020 UL http://ep.bmj.com/content/105/4/253.abstract AB