RT Journal Article SR Electronic T1 Respiratory physiology of pregnancy JF Breathe JO Breathe FD European Respiratory Society SP 297 OP 301 DO 10.1183/20734735.008615 VO 11 IS 4 A1 Antonella LoMauro A1 Andrea Aliverti YR 2015 UL http://breathe.ersjournals.com/content/11/4/297.abstract AB