Physiologic advantages of grunting, groaning, and pursed-lip breathing: adaptive symptoms related to the development of continuous positive pressure breathing.

THE SENSATION OF BREATHLESSNESS

1963 • 251 citations

Ventilation and arterial blood gas changes induced by pursed lips breathing.

1970 • 217 citations

The efficacy of pursed-lips breathing in patients with chronic obstructive pulmonary disease.

1966 • 141 citations

Effect of pursed lips expiration on the pulmonary pressure-flow relationship in obstructive lung disease.

1967 • 80 citations

Physical Methods Simulating Mechanisms of the Human Cough: Elimination of Radiopaque Material From the Bronchi of Dogs

1952 • 18 citations

Continuous positive pressure breathing in chronic obstructive lung disease: effect on minute ventilation and blood gases.

1973 • 8 citations