56 
THE INTERNAL SECRETIONS—1920 
well-being and efficiency are impaired until that bal- 
ance is restored. This is true whether the balance be- 
tween the endocrine organs themselves is at fault or 
whether the balance between these organs and the rest 
of the body is impaired. 
The imbalance manifests itself in certain physical 
or mental symptoms, and often both. We cannot con- 
sider balance without thinking of the relationship of 
the endocrine organs as a whole. 
di 
ol 
BIBLIOGRAPHY 
Engelbach (W.): Arterial hypertension associated 
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to rays of radium, ibid., 1711. 
Snell (A. M.), Ford (F.) & Rowntree (L. G.): Studies 
in basal metabolism, zbid., 1920, Ixxv, 515. 
Mayo (W. J.): Conservation of the menstrual func- 
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Vanderhog (D.): Spondylitis and abdominal pain, 
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Morgan (G. M.): Subcutaneous phlebectasis of the 
lower thoracis and upper abdominal regions, ibid., 
1694. 
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Friedleben: “Die Physologie der Thymusdrise.” 
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and L. G. Rowntree.) The clinical and pathologic 
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goitre, J. A. M. A. (Chicago), 1913, Ixi, 650. 
Musser (J. H.) & Kelly (A. O. J.): “A Handbook of 
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“Handbook of Therapy,’ American Medical] Association 
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Howell (W. H.): “A Text-Book of Physiology,” Chap- 
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Encyclopedia Brittanica, Article “Eunuch.” 
