![Diaphragmatic breathing reduces efficiency of breathing in patients with chronic obstructive pulmonary disease.]()
Diaphragmatic breathing reduces efficiency of breathing in patients with chronic obstructive pulmonary disease.Gosselink, R A; Wagenaar, R C; Rijswijk, H; Sargeant, A J; Decramer, M L · American Journal of Respiratory and Critical Care Medicine · 1995