The subject exhales via a mouthpiece and a directional valve into

Pulmonary Function Testing

Brass instrument (lip reed) acoustics: an introduction

Characterization of Exhaled Particles from the Healthy Human Lung—A Systematic Analysis in Relation to Pulmonary Function Variables

Review of experimental measurements on particle size distribution and airflow behaviors during human respiration - ScienceDirect

US20200276398A1 - Electronic breath actuated in-line droplet delivery device and methods of use - Google Patents

Ekaterina Mirgorodskaya's research works

The spread of breathing air from wind instruments and singers using schlieren techniques

Advanced lessons in practical physiology for students of medicine. Physiology. 100 ADVANCED LESSONS IN PRACTICAL PHYSIOLOGY compress the rubber bulb are stored in the wall of the tubing in the form

Human beings as islands of stability: Monitoring body states using breath profiles

AP Inspiration Rebreather Features

Airborne Pathogen Detection in Fine Aerosol Exhaled Breath Condensates