RT Journal Article SR Electronic T1 Clinical exercise testing: basic principles and practice JF Breathe JO Breathe FD European Respiratory Society SP 163 OP 164 DO 10.1183/20734735.009717 VO 13 IS 3 A1 Pierantonio Laveneziana A1 Susan Ward A1 J. Alberto Neder A1 Vitalii Poberezhets YR 2017 UL http://breathe.ersjournals.com/content/13/3/163.abstract AB