Spirometer
The Optical Dictionary · 1904 · p. 20
An apparatus for measuring the extreme differential capacity of the human lungs and the forces of expiration and inspiration.
Bu kavram başka kaynaklarda da geçiyor
Stedman's Medical Dictionary: A Practical Medical Dictionary (1920)
The American Illustrated Medical Dictionary (1913)
The Nurse's Dictionary of Medical Terms and Nursing Treatment (1909)
Chamber's Twientieth Century Dictionary (1908)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
The Student's Medical Dictionary (1896)
An Illustrated Encyclopedic Medical Dictionary (1894)
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