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. Author manuscript; available in PMC: 2006 Aug 1.
Published in final edited form as: J Appl Physiol (1985). 2005 Aug;99(2):424–432. doi: 10.1152/japplphysiol.00184.2005

Fig. 7.

Fig. 7.

Sketches by Arthur Dubois that were prepared for the course on clinical respiratory physiology given at the University of Pennsylvania in March 1953.