Schafer, Textbook of Physiology. The Macmillan Company.
Stiles, Nutritional Physiology. W. B. Saunders Company.
Verworn, General Physiology. The Macmillan Company.
XIX. FOODS AND DIETARIES
Problems.—A study of foods to determine:—
(a) Their nutritive value.
(b) The relation of work, environment, age, sex, and digestibility of foods to diet.
(c) Their relative cheapness.
(d) The daily Calorie requirement.