Wood, Maj. Gen., 52
Wright, Sir Edward, 28, 198
Wyman, Gen. Walter, 138
X
X-ray, 166
Y
Yale University, experiments at, 69
Yellow fever, 23
Yogurt, 124-126, 207
Z
Zweibach, 123
Good Health and How We Won It, With an Account of the New Hygiene · 第 12 / 12 段