![Respiratory muscle weakness increases dead-space ventilation ratio aggravating ventilation-perfusion mismatch during exercise in patients with chronic heart failure]()
Respiratory muscle weakness increases dead-space ventilation ratio aggravating ventilation-perfusion mismatch during exercise in patients with chronic heart failureHamazaki, Nobuaki; Masuda, Takashi; Kamiya, Kentaro; Matsuzawa, Ryota; Nozaki, Kohei; Maekawa, Emi; Noda, Chiharu; Yamaoka-Tojo, Minako; Ako, Junya · Respirology · 2018