[A simple respirator with low and high pressure].
1956
H DIRINGSHOFEN
UI
MeSH Term
Description
Entries
D011312
Pressure
A type of stress exerted uniformly in all directions. Its measure is the force exerted per unit area. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
Pressures
D012122
Ventilators, Mechanical
Mechanical devices used to produce or assist pulmonary ventilation.