Not a few of the results of investigations that are made in the laboratory and at the bedside are of comparatively trifling value from the point of view of immediate results of a practical nature. From the standpoint of pure science, however, they may be worth much, and indirectly may lead to definite application in the ultimate aim of medicine, the prevention and cure of disease. In truth, much of our knowledge that is applied in the daily routine of medicine and surgery was obtained as the result of research undertaken with no thought or other incentive than the purely scientific one of discovering truth for truth's sake.
In the case of other facts that are announced as the result of scientific research, their applied working value is at once apparent, and they change not only existing theories but practice as well. Thus the discovery that typhoid bacilli are often
TYPHOID BACILLI IN THE URINE.. JAMA. 1901;XXXVI(10):669. doi:10.1001/jama.1901.02470100061004