RT Journal Article SR Electronic T1 The risks of applying normative values in paediatric cardiopulmonary exercise testing: a case report JF ERJ Open Research JO erjor FD European Respiratory Society SP 00333-2020 DO 10.1183/23120541.00333-2020 VO 6 IS 4 A1 Waterfall, Jessica L. A1 Burns, Paul A1 Shackell, Dawn A1 Pepke-Zaba, Joanna A1 Oates, Katrina E. A1 Sylvester, Karl P. YR 2020 UL http://openres.ersjournals.com/content/6/4/00333-2020.abstract AB