1. Incidence and Causes of Chronic Dyspepsia of Various Ages; Analysis of 4,233 cases;Rivers;J.A.M.A.,1938
2. A Justification of the Diagnosis of Chronic Nervous Exhaustion;Macy;Ann. Int. Med.,1934
3. As defined by Macy and Allen,2 “Chronic nervous exhaustion indicates a long-present, subjective sensation of tiredness, disproportionately exceeding the effort which produces it and which cannot be accounted for by organic disease.” They go on to say that “weakness, lack of energy and ambition, nervousness, unrestful sleep or insomnia, melancholia, tachycardia, and pains and aches in various parts of the body may be additional symptoms of the condition.”