American Physiological Society, American Journal of Physiology, 1(35), p. 143-149, 1914
DOI: 10.1152/ajplegacy.1914.35.1.143
Lippincott, Williams & Wilkins, The American Journal of the Medical Sciences, 1(149), p. 129
DOI: 10.1097/00000441-191501000-00035
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