RT Journal Article SR Electronic T1 “Spirometry: step by step”. V.C. Moore. Breathe 2012; 8: 232–240. JF Breathe JO Breathe FD European Respiratory Society SP 115217 DO 10.1183/20734735.5217-2011 VO 18 IS 3 YR 2022 UL http://breathe.ersjournals.com/content/18/3/115217.abstract AB