Solenoid valve v weighted plunger in incremental inspiratory threshold loading.
Eastwood
P R
PR
Hillman
D R
DR
D000399:Air Pressure; D006801:Humans; D001239:Inhalation / Q000502:physiology*; D015272:Pulmonary Medicine / Q000379:methods*; D012132:Respiratory Muscles / Q000502:physiology*