ON THE VALUE OF AN ABNORMAL RISE IN THE AVERAGE LEVEL OF THE DIAPHRAGM AS A GUIDE TO THE VOLUME OF THE BLOOD IN ACTIVE CIRCULATION.Br Med J 1907; 1 doi: http://dx.doi.org/10.1136/bmj.1.2417.978 (Published 27 April 1907) Cite this as: Br Med J 1907;1:978
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