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Evaluation of two-way valves for resting level respiratory testing
Ralph H. James, and William C. Asburry
Bok Engelsk 1977
Breathing resistance and dead space in respiratory protective devices : physiological effects of breathing resistance and equipment dead space in respiratory devices: status of the problem
Ralph H. James
Bok Engelsk 1976
Evaluation of two-way valves for respiratory testing
Ralph H. James, David Goulding, Fred Pizz...
Bok Engelsk 1974