Abstract
Thus Ihave contrived a method of concentration by which I can produce a good result without any high speed centrifuger or other special furnishment. That is to say, it is a method that one takes sputum in evaporating-dish and heat and condense it. The method is quite con-venient and practicable to any general medical men.
Thus, by this method, they can condense the sputum to 1/5-1/15 size of the original. Among the 16 experiments of the negative sputum I could find the bacilli in 10 examples; among 6 examples in which the bacilli could be, seen only by culture, the existence of the bacilli could be testified in 3 examples.
In this method, the fixation and dyeing of the smeared sputum is quite the same as the preparation of ordinary speciment.
