RT Journal Article SR Electronic T1 How to use peak expiratory flow rate 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 158 OP 162 DO 10.1136/archdischild-2017-313178 VO 103 IS 3 A1 Rebecca Dobra A1 Amanda Equi YR 2018 UL http://ep.bmj.com/content/103/3/158.abstract AB